RATNANINGSIH, Dewi Juliah. Modeling of Distance Learners’ Retention Using Mixed-Model on Non-Proportional Hazard. Journal of Open, Flexible and Distance Learning, [S. l.], v. 27, n. 1, p. 14–26, 2023. DOI: 10.61468/jofdl.v27i1.553. Disponível em: https://jofdl.nz/index.php/JOFDL/article/view/553. Acesso em: 27 apr. 2026.