IMPACT OF COVID ON ONLINE TEACHING PLATFORM: STUDY ON IB CURRICULUM IN BANGLADESH . American International Journal of Business and Management Studies , [S. l.], v. 2, n. 3, p. 1–7, 2020. DOI: 10.46545/aijbms.v2i3.248. Disponível em: https://www.acseusa1.bdtopten.com/index.php/aijbms/article/view/103. Acesso em: 1 feb. 2026.