Ramli, M. R., Mahamed, M. H., & Ishak, N. A. (2025). Evaluating Hydrogen and Ammonia as Sustainable Alternatives for Marine Diesel Engines: Environmental, Technical, and Economic Perspectives. ALAM Journal of Maritime Studies, 5(1), 121-127. http://www.archintsurg.com/index.php/ajms/article/view/46