“Kontrol Penggunaan Air Bersih Perumda Tirta Manuntung Balikpapan dengan Multivariat Exponentially Weighted Moving Avarage”, sjt, vol. 7, no. 3, hlm. 642–649, Des 2023, Diakses: Nov 02, 2026. Tersedia pada: https://journal.itk.ac.id/index.php/sjt/article/view/1032