Wahyu Nugraha, A., Anwar, M.R. and Suryo, E.A. 2023. Distribution service performance optimization of PDAM Tirta Taman Bontang City East Kalimantan Province. Civil and Environmental Science Journal (CIVENSE). 6, 1 (Apr. 2023), 56–64. DOI:https://doi.org/10.21776/ub.civense.2023.00601.7.