Ramli, Mohamad Riduan, Mohd Hirzan Mahamed, and Nur Amirah Ishak. 2025. “Evaluating Hydrogen and Ammonia As Sustainable Alternatives for Marine Diesel Engines: Environmental, Technical, and Economic Perspectives”. ALAM Journal of Maritime Studies 5 (1): 121-27. http://www.archintsurg.com/index.php/ajms/article/view/46.