Pamungkas, Tri Yan Putra, and Lailul Mursyidah. 2020. “Efforts to Improve Discipline of Sidoarjo Regency Environmental and Hygiene Service Employees”. Indonesian Journal of Public Policy Review 12 (October), 10.21070/ijppr.v12i0.1154. https://doi.org/10.21070/ijppr.v12i0.1154.