“Kontrol Penggunaan Air Bersih Perumda Tirta Manuntung Balikpapan dengan Multivariat Exponentially Weighted Moving Avarage” (2023) SPECTA Journal of Technology, 7(3), hlm. 642–649. Tersedia pada: https://journal.itk.ac.id/index.php/sjt/article/view/1032 (Diakses: 2 November 2026).