Sri Indrawanti, Annisaa, and Eka Prakarsa Mandyartha. “Mobile-Based Activity Monitoring System for the Self-Quarantine Patient”. Applied Technology and Computing Science Journal 4, no. 1 (July 31, 2021): 56–62. Accessed May 19, 2024. https://journal2.unusa.ac.id/index.php/ATCSJ/article/view/2085.