Effects of stocking density on broiler chicken growth, organ weight and diet economics in a Philippine setting

Zandro M. Aguilar and Jesse Jay O. Villanueva

Evaluation of a Simulated Blockchain-based P2P Energy Trading System using an Isolated Rural Area Load Profile

Melvin C. Ilang-Ilang and Jake M. Avila

The Role of Social Ecological Resilience in the Psychological Well-being of Filipino Emerging Adults during the COVID-19 Pandemic

Andrelenz M. Buenaventura and Ederlyn Marie D. Gatchalian

Developing and Testing a Social Acceptability Framework for Cable-Supported Water and Transport Infrastructure Projects in Cordillera Farming Communities

Angela C. Tenorio, Kelly S. Kidit, Jeneva A. Ludaes, Gabriel Joseph M. Lim, Anne Pauline DV. Guieb, Reanne Gail S. Hermano, John Lorenze R. Garcia, Jose Angelo M. Lorica, Jimwel Dave C. Manzano, and Emerzon Jhon B. Garcia

Testing the Effect of Active Water Cooling using Perforated Tubes on the Power Generation of a 5-Watt Polycrystalline Solar Photovoltaic Panel

Thor Julicer Alvis and Gabriela Monica Gonzales

Comparative Characterization of Nanocellulose Produced from Kawayan Kiling (Bambusa vulgaris Schrad ex. Wendl) Pulp Using Different Pretreatment Methods

Herbert Dunhill R. Aumentado, Ramon A. Razal, Ruel C. Nacario, and Marlon N. Manalo

The lived experiences of Filipino mental health professionals during the COVID-19 pandemic

Sarah Dominique S. Rico and Mary Pauline E. Namoca

Effect of agro-climatic factors on the yield of corn (IPB Var 6) under rainfed conditions in the Philippines

Anecito M. Anuada

Assessing Geomorphological Responses to the Fluvial Dynamics of Pasig-Potrero River as Altered by Quarrying

Stephanie Ivy T. Jadormio

Factors Affecting the Productivity and Satisfaction of Home-Based Teleworkers in the Philippines

Emilio Ricardo B. San Jose, Kathleen L. Baldoz, Diana Marie R. De Silva, and John Kenneth P. Punongbayan

An Assessment of the Renewable Energy Sector of the Philippines through SWOT Analysis

Gabriela Monica Gonzales and Stephen Poletti

Is The Government’s Socialized Housing Program Serving The Needs of Low-Income Households? The case of Davao City

Micah Amor P. Yares

Assessing the Benefits of Adopting Extension-Recommended Farm Practices on Corn Yield and Farm Income of Farmer-Scientist in Bondoc Peninsula, Quezon

Carla O. Melodillar

Formulating an Optimal Energy Mix for Palawan Island using Multi-Criteria Decision Analysis and Goal Programming

Genev Yesiree M. Rodriguez-Garcia and Mili-Ann M. Tamayao-Kieke

Effecting a Shift in State Policy during the COVID-19 Pandemic: The Case of the Philippines’ Anti-Terrorism Act of 2020

Shivanee A. Dolo, Crisha Mae DG. De Vera, Zhenia Flores, Celina Koleen Juguilon, Kaiser Olga Portuguez, and Kyle Rabadon

Electrochemical Properties of Synthesized Fe-doped Amorphous SiO2 as Anode Material for Lithium Batteries

Maricris C. Cunanan, Benjamin Jose C. Alfaro, Jimyl Arabit-Cruz, Christian C. Vaso, Jey-R S. Ventura, and Rinlee Butch M. Cervera

Reactions, Behavioral Practices and Coping Mechanisms of Filipinos in Luzon, Philippines during the Lockdown Due to Covid-19

Paulina Bawingan, Keith Sigfred Ancheta, Katrina Mae Laranang, Rica Denise Alcantara, Jelene Quiocson and Aldulrazzaq O. Balain

Distribution of COVID-19 Cases in the Philippines and the Benford’s Law

Aldwin T. Miranda

Catastrophic Days Determination using Heuristic, and Box and Whisker Methods in the Philippines’ Electric Power Distribution

Edward Joseph H. Maguindayao and John Paul P. Manzano

Physicians’ Knowledge, Perceptions, Attitudes and Practices regarding Generic Medicines in Baguio City, Philippines

Mary Luz C. Fiangaan, Gaston P. Kibiten, Jaime T. Ballena IV, and Rhoda S. Lumang-ay

Web Application for Managing Insecticide Resistance of Mango Pests in the Philippines

Monina Gazelle Charina B. Carandang and Cecilia dR. Medina

Effect of Load Models on the Optimal Allocation of Solar and Wind Distributed Generation Using Stochastic Approach

Rodolfo A. Aguirre, Jr., Rei-Ann M. Dayapera, and Carl Peter Christian C. Caampued

LabGIS: A Real Estate Property Geographical Information System (GIS) for Local Government Units

Lei Kristoffer R. Lactuan, Danilo J. Mercado, and Jaime M. Samaniego

A Method of Semi-Supervised Learning using Siamese Neural Network for Disaster Monitoring on Philippine Social Media

Andrew T. Marges and Jaime M. Samaniego

Feature Selection for Heartbeat Classification using Naïve Bayes and K-Nearest Neighbor

Claizel Coubeili L. Cepe and Maria Art Antonette D. Clariño

Classification of Acoustic Guitar Strum using Convolutional Neural Networks and Long-Short-Term-Memory

Krishia Bello and Paula Mayol

Modelling of Amorphous Silicon Thin-Film Photovoltaic Module Performance Using Current-Voltage Characteristics

Adrian Augusto M. Sumalde and Miguel T. Escoto Jr.

Optimization of Protein Extraction from Chlorella vulgaris sp. using Response Surface Methodology

Jose Rafael B. Quidilig, Gino Apollo M. Guerrero, Denise Ester S. Sanchez, Kristel M. Gatdula, Ruby Lynn G. Ventura, Erwin C. Escobar, and Jey-R S. Ventura

Electrical Resistivity of Concrete Containing Crystalline Rice Husk Ash as Supplementary Cementing Material

James P. Lacia, Marish S. Madlangbayan, Marloe B. Sundo, and Richelle G. Zafra

Effect of Sintering Temperature on the Structure, Morphology, and Conductivity of LSM/YSZ Composite Electrode Synthesized Via Solid State Reaction

Christian C. Vaso, Arianna Benipayo, and Rinlee Butch Cervera

A Hierarchical Model of Service Quality in the Prepaid Mobile Telecommunications Industry

Marc Immanuel G. Isip and Riana Joyce B. Ortega

Design, Construction and Performance Evaluation of an Indirect Solar Dryer for Fermented Cacao Beans

Rodolfo A. Aguirre, Jr., Rei-Ann M. Dayapera, and Carl Peter Christian C. Caampued

Bruising of Avocado (Persea americana Mill.) as Affected by Impact Energy, Fruit Temperature, and Storage Temperature

Lei Kristoffer R. Lactuan, Danilo J. Mercado, and Jaime M. Samaniego

Yield Optimization of Reducing Sugars from Acid Hydrolysis of Chlorella vulgaris Waste Biomass

Andrew T. Marges and Jaime M. Samaniego

Comparison of Chloride Penetration Depth in Type I and Type IP Cement Concrete

Claizel Coubeili L. Cepe and Maria Art Antonette D. Clariño

Comparison of Microwave-Assisted Synthesis Routes in the Preparation of SnO2 Nanograins by Chemical Precipitation

Krishia Bello and Paula Mayol

Effectiveness of Ceftriaxone and N-Acetylcysteine on Nicotine Withdrawal and Nicotine-Induced Reinstatement of Preference in Sprague–Dawley Rats

Ma Katrina C. Tagata, Rico Jose B. Dometita, Nikka P. Apostol, Karl Jose S. Balansay, Jose Lumbaya M. Claver, Kamille Anne V. David, Arni Charlamagne Victor G. Directo, Judy Mae P. Lawagan, Adrian A. Palaylay, Jeny Rose S. Policarpio, Rochelle Ann R. Ruiz, Lianne Camille F. Sinagub, Fritzie Mae A. Tempra, Abiel Carlo A. Villamor, Leo Emmanuel R. Bunag, John Anthony A. Domantay

Effect of alkali treatment on the mechanical, physical, and thermal properties of sweet sorghum [Sorghum bicolor (L.) Moench] fibers

Jasmin Z. Vasquez, Chester Romel S. Patalud, Paul Michael O. Tarnate, Shelah G. Ramirez, Erwin C. Escobar, and Christian C. Vaso

Growth and Yield of Tomato Applied with Silicon Supplements with Varying Material Structures

Maria Morissa D. Lu, Diana Marie R. De Silva, Engelbert K. Peralta, Alvin N. Fajardo, and Milagros M. Peralta

Daily Streamflow Forecasting of the Gauged Molawin Watershed Using Model Combinations and the Ungauged Eastern Dampalit Watershed by Spatial Proximity Regionalization

Mart Dayniel M. Clanor, Erwin C. Escobar, Romina Gloria M. Bondad, Maurice A. Duka, Jey-R S. Ventura, Adeliza A. Dorado, Maria Morissa D. Lu, Paolo Rommel P. Sanchez, and Francis M. Mulimbayan

Antioxidant and Antimutagenic Activities of Ripe Bignay (Antidesma bunius) Crude Fruit Extract

Jonathan M. Barcelo, Allen Rogers M. Nullar, Jhomel Kim P. Caranto, Abigail M. Gatchallan, and Iris Joy B. Aquino

Development of an Android-Based Maturity Detector Mobile Application for Watermelons [Citrullus Lanatus (Thunb.) Matsum. & Nakai] using Acoustic Impulse Response

Annie Liza C. Pintor, Marck Anthony A. Magpantay, and Marife R. Santiago

Development and Preliminary Evaluation of an Improvised Tension Disc Permeameter for Determining Unsaturated Soil Hydraulic Properties

Maurice A. Duka, Charles John C. Gunay, Rosa B. De Los Reyes, Joan Cecilia C. Casila, Jeffrey A. Gonzales, and Erwin C. Escobar

Copper (II) Removal from Industrial Effluent Using a Coagulation-Flocculation Process Employing Rhizobium Extracellular Polysaccharide

Erwin C. Escobar, Ronald R. Navarro, Fidel Rey P. Nayve, Myra G. Borines, and Jey-R S. Ventura

Effects of Nanosilica Powder from Rice Hull Ash on Seed Germination of Tomato (Lycopersicon esculentum)

Maria Morissa D. Lu, Diana Marie R. De Silva, Engelbert K. Peralta, Alvin N. Fajardo, and Milagros M. Peralta

Effect of Organic Soil Conditioners on the Water Retention Characteristics of Selected Fine-Textured Soils in Laguna

Ariel U. Glorioso and Victor B. Ella

Rainfall-runoff Modeling of the Molawin Watershed of the Makiling Forest Reserve Using Five Lumped Conceptual Models

Mart Dayniel M. Clanor, Romina Gloria M. Bondad, Erwin C. Escobar, Joseph M. Caburnay, Jey-R S. Ventura, Adeliza A. Dorado, Maria Morissa D. Lu, and Ariel U. Glorioso

Antioxidant Property and Total Polyphenol and Flavonoid Content of Selected Fruits and Fruit Wines

Racquel Barcelo, Alessandro Basilio, Iris Dell Calsiyao, Corine Bernadette Mabesa, Rean Mari Palconete, and Jenine Audrey Tobias

Effective January 1, 2015, the Northern Luzon Research Journal (NLRJ) is renamed as Philippine e-Journal for Applied Research and Development (ISSN 2449-3694). Changes were made on the journal’s objectives and editorial policy, reflecting the publication’s shift into a national and an open-access journal. Otherwise, the publisher and the editorial address remain the same.

The Northern Luzon Research Journal came out with its first volume in 2007, followed by volumes 2, and 3-4. The articles in these volumes (published in print versions) are archived in this site for continuing access.

Health-seeking behavior of patients with diabetes mellitus in Baguio City

Rosemarie J. Dominguez

Roots of Mimosa pudica Linn “Makahiya” as an alternative treatment against urinary tract infections

Winston D. Balag-ey, Leonora E. Ngilangil

Development of a competency framework for community pharmacists

Maria Fay Nenette P. Maximo, Thelma R. Leal, Reynaldo S. Bautista

Indigenous knowledge and practices of tribal groups on community-based forest management program: The case of Santol, La Union

Lilito D. Gavina

Factors affecting productivity and profitability of sericulture-based agroecosystems

Mabel Caccam, Teodoro Mendoza

Indigenous peoples, the state and national parks: Governmentality rifts and indigenous responses in Mount Pulag

Joseph Porfirio L. Andaya, Angela L. Chamos, Gabriel Paul K. Pinas

Observing the correlation of crime and urban physical environment: an input to urban renewal and revitalization

Donna R. Tabangin, Jacqueline C. Flores, Nelson F. Emperador

Improving OPD efficiency through queuing theory: The case of a regional medical center

Marilou L. Andaya-Basilio

Occupational and environmental health assessment of indigenous small-scale mining in Lacub, Abra

Ana Marie R. Leung

Influence of rice husk ash as supplementary material in cement paste and concrete

Marshal G. Calica, Jr.

Potato starch extract as an alternative serum separator gel and its effects on glucose testing

Donna Dane G. Aldana, Sheena Lyn A. Tanagon, Ria Rose Ann G. Manantan, Nico A. Pudlao, Joha D. Valenciano, Rio Rose L. Fabro, Allan Jay C. Espiritu

The Abra River System Water Quality Monitoring

Josephine Aries L. Dulay

Health Profile of Corporate Mineworkers and Communities Living Near Corporate Gold Mining Operations in Mankayan, Benguet

Ana Marie R. Leung

A Comprehensive Assessment of Pesticide Residues in Two Vegetable-Farming Municipalities in Benguet

Gaudelia A. Reyes, Carlito P. Laurean

Household Asset Allocation Decision (HAAD): An Alternative Approach to Analyze Demand for Mangrove Forest Goods

Gladys M. Navarro, Jacques Viaene

The Prevalence of Iodine Deficiency and its Correlation with Goiter Size in the Goitrous Population of Paracelis, Mountain Province

Raymond U. Oribio, Arnel B. Paguel, Robert E. Tolentino, Ferdinand P. Pinangat

Innovation Potential in Small and Medium Enterprises in the Cordillera Administrative Region

Marie Klondy Dagupen, Renata Januszewska, Roberto Arguelles, Reynaldo Bautista, Darlyn Tagarino, Jacques Viaene