Pratiwi, Widya Ayu, and Isna Fitria Agustina. “Implementation of Cleaning Service Retribution Policy in Sidoarjo Regency ”. Academia Open 60 (June 30, 2022): 10.21070/acopen.6.2022.1464. Accessed November 21, 2024. https://acopen.umsida.ac.id/index.php/acopen/article/view/1464.