HOSSAIN, M. M.; AKHTAR, S.; RAHMAN, M. A. A STUDY TO EVALUATE USERS’ SATISFACTION OF BLACKBOARD LEARN. PEOPLE: International Journal of Social Sciences, [S. l.], v. 3, n. 1, p. 489–506, 2017. DOI: 10.20319/pijss.2017.s31.489506. Disponível em: https://grdspublishing.org/index.php/people/article/view/427. Acesso em: 7 may. 2024.