Keliwar, Said, Arief Bramanto Wicaksono Putra, Jehad Hammad, and Haviluddin . 2018. “Modeling of Time Series Data for Forecasting the Number of Foreign Tourists in East Kalimantan Using Fuzzy Inference System Based on ARX Model”. International Journal of Engineering & Technology 7 (2.2): 104-7. https://doi.org/10.14419/ijet.v7i2.2.12745.