Huda, F. and Pratama, Z. 2023. Pemilihan Ulang Material Poros Saringan Gram Roll Grinding Machine#4 Hot Strip Mill (Hsm) Pt. Krakatau Steel (PERSERO) Tbk.: Indonesia. AJIE (Asian Journal of Innovation and Entrepreneurship). 7, 02 (May 2023), 55–59. DOI:https://doi.org/10.20885/ajie.vol7.iss2.art3.