“PENGARUH TEMBAGA PADA PENGECORAN BLOK SILINDER SEPEDA MOTOR TERHADAP SIFAT MEKANIK”, jiei, vol. 1, no. 01, pp. 35–42, Jun. 2024, Accessed: Oct. 10, 2025. [Online]. Available: https://journal.unram.ac.id/index.php/jiei/article/view/4007