Putera, Muhammad Luthfi Setiarno. “Non-Cash Payment Transaction Projection Using ARIMAX : Efect of Calendar”. Jurnal Matematika, Statistika dan Komputasi 16, no. 3 (April 28, 2020): 296–310. Accessed December 24, 2024. https://journal.unhas.ac.id/index.php/jmsk/article/view/8546.