CONTENTS

Coping up with the Risks and Increasing Sustainability: Strategies for Small-scale Shrimp Farming in Indonesia

Riski A. Lestariadi and Masahiro Yamao

Occurrence of Secondary Metabolites and Free Radical Scavenging Ability towards Better Adaptability of Some Mangrove Species in Elevated Salinity of Indian Sundarbans

Nirjhar Dasgupta, Paramita Nandy, Chandan Sengupta and Sauren Das

Extracellular Enzymes and Antimicrobial Activities of Celluloytic Bacteria from the Gut of Black Surgeonfish (Acanthurus gahhm)

Francis S. Legario and Agile J. Pesina

Biomineralization of Calcium Oxalate Crystals in Leaves of Colocasia esculenta (L.) Schott (Araceae) in Response to Herbivory and Water Regime

Kenneth O. Eco and Beatriz S. Belonias

Growth and Yield Performance of Inbred and Hybrid Rice Varieties as Influenced by Combined Application of Organic and Inorganic Fertilizers

Raynilda R. Baoy and Dionesio M. Bañoc

Soil-Landscape Relationship in the Northern Volcanic Mountain of Leyte, Philippines

Roland V. Rallos, Victor B. Asio and Faustino P. Villamayor

Determination of limiting nutrient to Sweetpotato (Ipomoea batatas L.) growth on Samoa Oxisol using a Nutrient Omission Technique

Taniela Kepa Siose, Mohammad Abdul Kader, and Anabella B. Tulin

Assessing the Microlevel Impacts of Sin Tax Law on Cigarette Consumption: A Case Study for Mahaplag, Leyte, Philippines

Lemuel S. Preciados and Jayson E. Carcajente

A Cross-sectional Study on the Self-Efficacy of Pre-service Science and Mathematics Teachers in a Philippine State University

Ma. Rachel Kim L. Aure and Richard R. Jugar

Supporting Struggling Grade 8 Science Students’ Motivation, Participation and Performance through Peer- Tutoring Approach

Joy Bellen and Amalia B. Jomoc