NELWATI, Nelwati; YOZZA, Hazmira; MAIYASTRI, Maiyastri. Peta Kendali Exponentially Weighted Moving Average (EWMA) Untuk Jumlah Wisatawan Yang Berkunjung Ke Sumatera Barat. Jurnal Matematika UNAND, [S. l.], v. 4, n. 4, p. 83–90, 2019. DOI: 10.25077/jmu.4.4.83-90.2015. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/512. Acesso em: 25 oct. 2026.