ANALISIS KEBUTUHAN AIR BERSIH PDAM TIRTA DELI DI KECAMATAN HAMPARAN PERAK. Kohesi: Jurnal Sains dan Teknologi, [S. l.], v. 11, n. 3, 2026. DOI: https://doi.org/10.5281/zenodo.22003540. Disponível em: https://journal.cib.institute/index.php/kohesi/article/view/3124. Acesso em: 19 oct. 2026.