John Andersson. “SMART CIRCULAR BUSINESS MODELS: INTEGRATING INDUSTRY 4.0 FOR SUSTAINABLE AND RESILIENT BUSINESS TRANSFORMATION”. International Multidisciplinary Journal for Research & Development 12, no. 11 (November 30, 2025): 759–764. Accessed March 6, 2026. https://www.ijmrd.in/index.php/imjrd/article/view/4247.