Arifin, Samsul, and Akhmad Zaini. “Decision of Implementing Uzlah and Gerbat Techniques in Islamic Boarding School As Preparedness Response for Covid-19 Pandemic”. Unnes Journal of Public Health 9, no. 2 (July 31, 2020): 126-134. Accessed November 24, 2024. https://journal.unnes.ac.id/sju/ujph/article/view/38107.