Julianto, Irfan Widya, and Hana Catur Wahyuni. “Efforts To Reduce Downgrade Of Steel Pipes In The Production Process Using The HEART Method”. Procedia of Engineering and Life Science 1, no. 2 (July 14, 2021). Accessed November 21, 2024. https://pels.umsida.ac.id/index.php/PELS/article/view/1017.