Putri DD, Mursyidah L. Quality of Drinking Water Supply Services in Sidoarjo Regency. IJPPR [Internet]. 2021Jul.31 [cited 2024Jul.22];150:10.21070/ijppr.v15i0.1134. Available from: https://ijppr.umsida.ac.id/index.php/ijppr/article/view/1134