Khusna, Hidayatul, Muhammad Mashuri, Wibawati Wibawati, Muhammad Ahsan, Agus Suharsono, Diaz Fitra Aksioma, and Novri Suhermi. “Workshop Pengendalian Kualitas Statistika Dasar Bagi Staf PT Petrokimia Gresik”. Madaniya 4, no. 4 (November 21, 2023): 1922-1928. Accessed October 9, 2026. https://www.madaniya.biz.id/journals/contents/article/view/665.