Jamaludin J, Ramadhan HJ, Hariyanto D. STUDI EKSPERIMEN PENGGUNAAN VALVE HEAD MUSHROOM DAN VALVE HEAD TULIP PADA RECIPROCATING ENGINE TERHADAP PERFORMA ENGINE. jp [Internet]. 2020Nov.13 [cited 2024Dec.22];5(3):214-21. Available from: https://ejournal.poltekbangsby.ac.id/index.php/jurnalpenelitian/article/view/499