[1]
“An Economic Valuation of Freshwater Ecosystem Services in Lawis River Spring, Buruun Iligan City”, APJSI, vol. 32, no. 1, pp. 45–67, Jun. 2019, Accessed: Mar. 16, 2026. [Online]. Available: https://journals.msuiit.edu.ph/tmf/article/view/53