E. Haris, L. Van Gunawan, M. Luthfi, and A. Rakhman, “Analysis Of The Influence Of Preheating Temperatures Of 125˚C, 150˚C And 200˚C Metal Casting Results On The Occurrency Of Hot Tearing Using 6061 Alumunium Material”, JAMERE, vol. 4, no. 1, pp. 15-21, Feb. 2024.