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