Hasma, Hasma, Musfirah Musfirah, and Rusmalawati Rusmalawati. “Implementation of Health Protocol Policy in Covid-19 Prevention”. Jurnal Ilmiah Kesehatan Sandi Husada 10, no. 2 (December 31, 2021): 356-363. Accessed March 28, 2024. https://akper-sandikarsa.e-journal.id/JIKSH/article/view/620.