Kastanya, Philipus, and Dellen Matulessy. “ANALISIS JASA LINGKUNGAN PENYEDIA AIR DI KECAMATAN TOBELO KABUPATEN HALMAHERA UTARA”. JURNAL HUTAN PULAU-PULAU KECIL 7, no. 1 (May 22, 2023): 22-32. Accessed November 22, 2024. https://ojs3.unpatti.ac.id/index.php/jhppk/article/view/8988.