FERNANDO, John Joseph; RODRIGUEZ, Dyan G.; JUMAQUIO, Dabielyn D.; RICAFORT, Errol. Statistical Quality Control and Process Analysis on the Production of Trash Bags Going Through Extrusion Process. PUP Journal of Science & Technology, Philippines, v. 11, n. 1, p. 22–32, 2021. DOI: 10.70922/18t4zc32. Disponível em: https://publishing.pup.edu.ph/ojs/index.php/PUP-JST/article/view/394. Acesso em: 27 jan. 2026.