Setiawan YA, Pramudito O. Quality Control Analysis in an Effort to Reduce Product Defects in Coin Material Production at PT. Bintang Tenaga Multikarya. belacoss [Internet]. 2025 Jan. 21 [cited 2026 Jun. 13];2(1):1-13. Available from: https://journal.arepublisher.com/index.php/belacoss/article/view/150