Fadlilah, M. “Implementasi Grafik Pengendali Multivariate Exponentially Weighted Moving Average (MEWMA) Pada Pengendalian Kualitas Proses Produksi Gula”. Maliki Interdisciplinary Journal, Vol. 3, no. 11, Oct. 2025, pp. 891-9, https://urj.uin-malang.ac.id/index.php/mij/article/view/18718.