Tsamroh, D. I., M. F. Ardiansyah, M. A. Yaqin, T. A. A. Shiddiqy, and D. Z. Lubis. “Hardness Enhancement of Al-Si Alloys from Sand Casting With Runner Variations”. MECHANICAL, vol. 15, no. 2, Sept. 2024, p. 200, doi:10.23960/mech.v15i2.5280.