Sultan, Sultan, Amran Achmad, Samuel A. Paembonan, and Usman Arsyad. 2017. “Analysis of Land Use Change in the Period of 2001-2016 Using Remote SensingTechnique in Watershed Bila in South Sulawesi Province, Indonesia”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 34 (2):69-77. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7612.