QUALITY CONTROL ANALYSIS ON WHITE CRYSTAL SUGAR PRODUCTS USING STATISTICAL PROCESSING CONTROL AND SEVENTOOLS METHODS AT PT. XYZ. International Journal of Economic Integration and Regional Competitiveness, [S. l.], v. 2, n. 6, p. 16–31, 2025. DOI: 10.61796/ijeirc.v2i6.395. Disponível em: https://e-journal.antispublisher.id/index.php/IJEIRC/article/view/395. Acesso em: 26 nov. 2025.