PIERRAKEAS, Christos; XENO, Michalis; PANAGIOTAKOPOULOS, Christos; VERGIDIS, Dimitris. A Comparative Study of Dropout Rates and Causes for Two Different Distance Education Courses. The International Review of Research in Open and Distributed Learning, [S. l.], v. 5, n. 2, 2004. DOI: 10.19173/irrodl.v5i2.183. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/183. Acesso em: 21 nov. 2024.