Umrin, Abdul Qodir, and Hana Catur Wahyuni. “ANALYSIS QUALITY CONTROL OF CREAMER PRODUCT PACKAGING USING DMAIC AND RCA METHODS”. Journal for Technology and Science 2, no. 1 (December 15, 2025): 33–52. Accessed December 25, 2025. https://journal.antispublisher.com/index.php/IPTEKS/article/view/424.