“STUDI ANALISIS KETERSEDIAAN SUMBER AIR BERSIH DI PANGKALPINANG: TANTANGAN DAN SOLUSI”. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 8 (December 23, 2024): 16–21. Accessed July 11, 2026. https://journal.ubb.ac.id/index.php/snppm/article/view/5992.