Dr. Arjun Malhotra. “Integrating Lean Manufacturing Frameworks With Predictive Maintenance in Industry 4.0: A Comprehensive Theoretical and Empirical Synthesis”. The American Journal of Engineering and Technology 7, no. 09 (September 30, 2025): 275–280. Accessed January 26, 2026. https://www.theamericanjournals.com/index.php/tajet/article/view/7178.