WELDON, K. Laurence. Seven Trimesters of an Online Introductory Statistics Course. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 14, n. 2, p. 81–84, 2007. Disponível em: https://ijede.ca/index.php/jde/article/view/155. Acesso em: 5 may. 2024.