Martina, Annisa. “Sales Demand Forecasting Using One of Multivariate Markov Chain Model Parameter”. International Journal on Information and Communication Technology (IJoICT) 6, no. 2 (December 31, 2020): 88–93. Accessed December 5, 2024. https://socjs.telkomuniversity.ac.id/ojs/index.php/ijoict/article/view/533.