Zulfa Azmi , I., & Yogi Sari, O. . (2020). AN ANALYSIS OF QUALITY CONTROL IN EFFORTS TO REDUCE THE LEVEL OF PRODUCT DEFECTS AT PT. MAG. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, 7(1), 21–27. Retrieved from https://journal.unj.ac.id/unj/index.php/ijer/article/view/16629