Terzi, Chokri, and Anis El Ammari. “An Econometric Forecasting Model for Foreign Trade: Evidence From Tunisia”. Journal of Advance Research in Mathematics and Statistics (ISSN 2208-2409) 5, no. 8 (August 31, 2018): 01–07. Accessed July 3, 2024. https://nnpub.org/index.php/MS/article/view/531.