Santoso, Dany. “ow o easure nocking ntensity n ual-uel nternal ombustion ngines eview”. International Journal of Marine Engineering Innovation and Research 10, no. 1 (July 10, 2025): 221–229. ccessed December 6, 2025. https://journal.its.ac.id/index.php/ijmeir/article/view/4765.