STUDI ANALISIS KETERSEDIAAN SUMBER AIR BERSIH DI PANGKALPINANG: TANTANGAN DAN SOLUSI. SNPPM [Internet]. 2024 Dec. 23 [cited 2026 Jul. 11];8:16-21. Available from: https://journal.ubb.ac.id/index.php/snppm/article/view/5992