Fuentes, Xavier, Katleya Abiog, Jaireh Baclayon, and Regine Viracis. “Biological Index of Benthic Insects in Pilan River, Santa Cruz, Davao Del Sur”. UM Digos Research Journal 8, no. 1 (December 31, 2016). Accessed November 21, 2024. https://ieesjournals.com/index.php/umdrj/article/view/20.