PERCEIVED STRESS DURING COVID-19 PANDEMIC BECAUSE OF ONLINE LEARNING AMONG MBBS STUDENTS . International Research Journal of Pharmacy, [S. l.], v. 14, n. 7, p. 20–25, 2023. Disponível em: https://irjponline.org/index.php/irjp/article/view/51. Acesso em: 25 jun. 2026.