Fathallah, Aguk Zuhdi Muhammad, Adhi Iswantoro, and Hafiz N. H. Perdana. “he ffect of sing arious agnetic aterials on iesel ngines sing iodiesel uel”. International Journal of Marine Engineering Innovation and Research 5, no. 2 (July 10, 2025): 117–121. ccessed December 6, 2025. https://journal.its.ac.id/index.php/ijmeir/article/view/6012.