JAMALUDIN, J.; RAMADHAN, H. J. .; HARIYANTO, D. STUDI EKSPERIMEN PENGGUNAAN VALVE HEAD MUSHROOM DAN VALVE HEAD TULIP PADA RECIPROCATING ENGINE TERHADAP PERFORMA ENGINE. Jurnal Penelitian, [S. l.], v. 5, n. 3, p. 214–221, 2020. DOI: 10.46491/jp.v5i3.499. Disponível em: https://ejournal.poltekbangsby.ac.id/index.php/jurnalpenelitian/article/view/499. Acesso em: 22 dec. 2024.