WEIPSA, S. Analysis of Crude Palm Oil (CPO) Production Quality Control Using the Seven Tools. Jurnal Riset Ilmu Teknik, [S. l.], v. 4, n. 2, p. 90–110, 2026. DOI: 10.59976/jurit.v4i2.393. Disponível em: https://jurnaljepip.com/index.php/jurit/article/view/393. Acesso em: 13 sep. 2026.