Tayone, Janeth Cuevas. “Baseline Profile of Soil Samples from Suawan River Watershed”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 17, no. 1 (November 10, 2014): 387–400. Accessed July 3, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3030.