Muhammad Rayhan Nurfajrie, Fadly Tamimi, Sipahutar DA, Aditya Surya Dinata, Hermanto T. Making Baby Spoon Handles Using Metal Casting Techniques, Sand Casting Method. IRA J.Tek. Mesin Dan Apl [Internet]. 2024 Aug. 31 [cited 2025 Jul. 1];3(2):15-9. Available from: https://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/119