Yusup Hendronursito et al. 2023. MOLD PROPERTIES OF INDONESIA NATURE SAND AS GREEN SAND. Majalah Ilmiah Pengkajian Industri; Journal of Industrial Research and Innovation. 13, 1 (Sep. 2023), 9–14. DOI:https://doi.org/10.29122/mipi.v13i1.2699.