“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 1, no. 1 (June 30, 2025): 8–14. Accessed April 2, 2026. https://e-pallipublishers.com/index.php/jeteli/article/view/4794.