ZEWOTIR, T.; NORTH, D. Analysis of attrition and retention rates using the generalized linear model. South African Statistical Journal, [S. l.], v. 49, n. 2, p. 259–271, 2015. Disponível em: https://www.journals.ac.za/index.php/sasj/article/view/5640. Acesso em: 3 apr. 2026.