“Analisis Perbaikan Pengendalian Kualitas Produk Pintudengan Menggunakan Metode Six Sigma Dan FMEAPada PD. Indah Mulya”. Jurnal Serambi Engineering 9, no. 1 (February 24, 2024): 8191–8197. Accessed April 19, 2025. https://jse.serambimekkah.id/index.php/jse/article/view/59.