Rostania, C. M. N., and L. Mursyidah. “Service Quality for Regional Drinking Water Company (PDAM) Sidoarjo Regency”.
Indonesian Journal of Public Policy Review
, Vol. 14, Apr. 2021, p. 10.21070/ijppr.v14i0.1132, doi:10.21070/ijppr.v14i0.1132.