Cahyani, Shyntia, and Sukanta Sukanta. “Analisis Kualitas Produk Air Filter Menggunakan Basic Seven Tools Di PT. Batarasura Mulia”. Jurnal Ilmiah Wahana Pendidikan 8, no. 13 (August 4, 2022): 420-429. Accessed June 6, 2026. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/2088.