BELLA, Professor Hassan. COVID-19: An Accelerated Learning Challenge for Developing & Developed Countries Alike. Sudan Journal of Medical Sciences, [S. l.], v. 15, n. 5, p. 1–4, 2020. DOI: 10.18502/sjms.v15i5.6880. Disponível em: https://knepublishing.com/index.php/SJMS/article/view/6880. Acesso em: 15 jul. 2025.