Nwamekwe, C. O., Okpala, C. C. and Nwabunwanne, E. C. (2025) “Design Principles and Challenges in Achieving Zero-Energy Manufacturing Facilities”, Journal of Engineering Research and Applied Science, 14(1), pp. 1-21. Available at: https://www.journaleras.com/index.php/jeras/article/view/373 (Accessed: 10June2026).