Bachtiar, Iskandar Muda. “Analisis Tingkat Motivasi Aktivitas Fisik Siswa Saat Pandemi Covid-19 Bandung”. Jurnal Sains Keolahragaan dan Kesehatan 7, no. 2 (March 6, 2023): 93 - 104. Accessed January 5, 2026. https://journals.itb.ac.id/index.php/jskk/article/view/19866.