Covid-19 and Its Impact on Education (Physical Learning and Teaching with 3R’s). Journal of Commerce and Trade , "Meerut, India", v. 16, n. 1, p. 18–21, 2021. DOI: 10.26703/jct.v16i1.34. Disponível em: https://jctindia.org/index.php/jct/article/view/a21-styvy. Acesso em: 10 may. 2025.