ET. AL., Oktora Yogi Sari,. Quality Control Analysis Using Statistical Procces Control (Spc) To Reduce Product Defects In Roastery X. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 8, p. 1555–1562, 2021. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/3204. Acesso em: 27 nov. 2025.