Rahayu Budi Prahara, Nur Imam, and Indra Setiawan. 2024. “Analysis of Crack Defects in the Hanger Welding Area Using the DMAIC Method in the Heavy Equipment Industry”. TEKNOSAINS : Jurnal Sains, Teknologi Dan Informatika 11 (1), 194-200. https://doi.org/10.37373/tekno.v11i1.975.