“Quality of Drinking Water Supply Services in Sidoarjo Regency: Kualitas Pelayanan Penyediaan Air Minum di Kabupaten Sidoarjo” (2021) Indonesian Journal of Public Policy Review, 15, p. 10.21070/ijppr.v15i0.1134. doi:10.21070/ijppr.v15i0.1134.