Ichwantoro, Syahwal, and Fransisca Chondro. “THE CORRELATION BETWEEN PHYSICAL ACTIVITY AND SLEEP QUALITY WITH STRESS DURING THE COVID-19 PANDEMIC”. Jurnal Biomedika dan Kesehatan 5, no. 2 (August 23, 2022): 89–94. Accessed March 28, 2024. https://jbiomedkes.org/index.php/jbk/article/view/235.