ONYEMELIFE EZEH SOLOMON; OBONYANO KINGDOM NELSON; IHIEABIAOBINI SYLVESTER. Challenges of E-Learning in Nigerian Universities, A Case Study of University of Delta, Agbor (Unidel). Engineering And Technology Journal, [S. l.], v. 11, n. 08, p. 11357–11365, 2026. DOI: 10.47191/etj/v11i08.24. Disponível em: https://everant.org/index.php/etj/article/view/3040. Acesso em: 28 sep. 2026.