A. JAYA SUWONDO and O. . Purnamayudhia, “Pengendalian Kualitas Produk Door (Pintu) Dengan Metode Seven Tools”, kusuma, vol. 2, no. 1, pp. 82–90, Oct. 2024, Accessed: Feb. 10, 2026. [Online]. Available: https://journalng.uwks.ac.id/kusuma/article/view/251