Sukirno, Pradina A., Sambas Basuni, and Adjat Sudradjat. “Supply Optimization Model of Nature Tourism at Ciwidey Tourism Destination, Wets Java”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 54, no. 2 (September 26, 2020): 112–121. Accessed May 19, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/11210.