An Empirical Assessment of Knowledge Retention Rates Comparing Virtual Reality Versus Physical Training Systems for Hybrid Powertrain Diagnostics Education in Rivers State Polytechnics, Nigeria . Journal of Educational Technology and E-Learning Innovations, [S. l.], v. 1, n. 1, p. 8–14, 2025. DOI: 10.54536/jeteli.v1i1.4794. Disponível em: https://e-pallipublishers.com/index.php/jeteli/article/view/4794. Acesso em: 2 apr. 2026.