“PERHITUNGAN KEBUTUHAN AIR BERSIH PDAM TIRTA KUALO KOTA TANJUNGBALAI”, J. Bid. Apl. Tek. Sipil dan Sains, vol. 2, no. 2, pp. 48–57, Jun. 2023, Accessed: Dec. 04, 2025. [Online]. Available: https://jurnal.una.ac.id/index.php/batas/article/view/3421