Samsudin, Samsudin, and Dinda Ayu. “Standards Management Of Covid-19 Prevention According To World Health Organization (WHO)”. Jurnal PKM Manajemen Bisnis 2, no. 1 (January 1, 2022): 28–33. Accessed October 7, 2026. https://www.ojs.pseb.or.id/index.php/pkm/article/view/235.