Widiyanto. “Physical Activity During Physical Distancing”. Prosiding Seminar Nasional IPTEK Olahraga (SENALOG) 3, no. 1 (December 29, 2020): Aktivitas Fisik-Or 1. Accessed August 15, 2022. https://ejournal.unibabwi.ac.id/index.php/semnassenalog/article/view/1107.