Sutaman S, Wardiatno Y, Boer M, Yulianda F. Assessment of Sustainable Management on Regional Waters Conservation Area (KKPD) Biak Numfor Regency. IJSBAR. 2017;31(1):190-203. Accessed September 13, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/6771