An Empirical Assessment of Knowledge Retention Rates Comparing Virtual Reality Versus Physical Training Systems for Hybrid Powertrain Diagnostics Education in Rivers State Polytechnics, Nigeria . J. Educ. Technol. E-Learn. Innov. [Internet]. 2025 Jun. 30 [cited 2026 Apr. 2];1(1):8-14. Available from: https://e-pallipublishers.com/index.php/jeteli/article/view/4794