JOHN JOSEPH, DR. MANU SINGH. Online Learning and Academic Gaps: The Unequal Impact of COVID-19 on Rural and Urban Students. International Journal of Research & Technology, [S. l.], v. 13, n. 4, p. 342–357, 2025. Disponível em: https://ijrt.org/j/article/view/576. Acesso em: 4 sep. 2026.