A.U. Kinafa, S.I. Kamara, A. . Bello, M. A. Aliyu, M.S Tabra, and A. Adamu. “SEASONAL AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (SARIMA) OF NIGERIAN GROSS DOMESTIC PRODUCT”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 2, no. 02, June 2018, pp. 202-15, https://journals.gjbeacademia.com/index.php/bimajst/article/view/104.