Hossain, M.M. 2026. The Industry 4.0 Synergy Framework: Integrating AI, IoT, and Lean Systems for Resilient and Sustainable Manufacturing Supply Chains. Research Journal in Civil, Industrial and Mechanical Engineering. 3, 1 (Sep. 2026), 72–83. DOI:https://doi.org/10.61424/rjcime.v3i1.1050.