“Enhancing Product UpgradaProduct Modular Enhancement Framework (PMEF): A New Approach to Product Upgradationtion: A Study on TheModular Enhancement Framework (MEF)”. 2025. International Journal of Scientific Research and Management (IJSRM) 13 (01): 8311-18. https://doi.org/10.18535/ijsrm/v13i01.em11.