Arifin, Amir, Gunawan Gunawan, Alim Mardhi, Agung Nurmansyah Putra Wijaya, and Endra Sujatmika. 2021. “DEVELOPMENT COMPOSITE ALUMINIUM FLY ASH WITH POWDER METALLURGY METHOD USE EGG YOLK AS SPACE HOLDER”. Indonesian Journal of Engineering and Science 2 (1):001-010. https://doi.org/10.51630/ijes.v2i1.7.