KAUR, Hardeep; CHADDA, Ishu. Online Education during COVID-19 in Punjab: A Study on Perception of Teachers . Indian Journal of Educational Technology, India, v. 4, n. II, p. 29–39, 2022. Disponível em: https://ojs.ncert.org.in/IJET/article/view/411. Acesso em: 13 jun. 2026.