Hasan Maksum, Wawan Purwanto, Wagino, Rahmat Desman Koto, Defelinu Harefa, Desman Telaumbanua, et al. Analisis Motor Bakar [Internet]. UNP PRESS; 2025 [cited 2026 Sep. 24]. Available from: https://unppress.unp.ac.id/index.php/unp-press/catalog/book/188