JULIANTO, Irfan Widya; HANA CATUR WAHYUNI. Efforts To Reduce Downgrade Of Steel Pipes In The Production Process Using The HEART Method: Upaya Mengurangi Downgrade Pipa Baja Pada Proses Produksi Menggunakan Metode HEART. Procedia of Engineering and Life Science, [S. l.], v. 1, n. 2, 2021. DOI: 10.21070/pels.v1i2.1017. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/1017. Acesso em: 3 jul. 2025.