Dewi, Risma, Ferdinad Salomo Leuwol, and Mohammad Amin Lasaiba. “Analisis Faktor Geografis Penyebab Perubahan Fungsi Kali Lapiaso Dari Sumber Air Bersih Menjadi Saluran Pembuangan Limbah Di Desa Waiheru Kecamatan Baguala Kabupaten Kota Ambon : Analysis of Geographical Factors Contributing to the Transformation of the Lapiaso River from a Clean Water Source into a Wastewater Disposal Channel in Waiheru Village, Baguala District, Ambon City”. SPATIA Educational Journal 1, no. 1 (April 12, 2026): 88–104. Accessed October 17, 2026. https://ejournal.edutechpubs.id/index.php/spatia/article/view/98.