Yu AJG, Salas FM. Pigmental Composition of Freshwater Algae at Different Levels of Nitrogen and Physico-chemical Parameters of Palhi River, Baybay, Leyte. Ann. Trop. Res [Internet]. 2016 Jul. 1 [cited 2024 Dec. 22];38(1):134-47. Available from: https://atr.vsu.edu.ph/article/view/215