2025. GALVALUM ROOF QUALITY CONTROL ANALYSIS TO MINIMIZE DEFECTS USING THE FMECA (FAILURE MODE EFFECT AND CRITICALITY ANALYSIS) AND RCA (ROOT CAUSE ANALYSIS) METHODS AT PT TRISAKTI JAYA. International Journal of Economic Integration and Regional Competitiveness. 2, 10 (Oct. 2025), 40–54. DOI:https://doi.org/10.61796/ijeirc.v2i10.380.