Tristanti, Ika, and Noor Cholifah. “Parents’ Perceptions of The Implementation of School Children’s Health Protocols During the Covid 19 Pandemic”. Urecol Journal. Part C: Health Sciences 1, no. 2 (December 5, 2021): 61–66. Accessed May 5, 2024. https://e-journal.urecol.org/index.php/ujhs/article/view/77.