Oviawe, Victor Oyakhilome, Mary Unekwu Adehi, Babatunde Yahya Waheed, and Ibrahim Ahmed. “INVESTIGATING SOME MACRO ECONOMIC VARIABLES IN NIGERIA USING ARIMAX AND ARIMA MODELS”. Economics and Statistics Research Journal (ESRJ) 16, no. 6 (June 24, 2025): 60–79. Accessed June 26, 2025. http://zapjournals.com/Journals/index.php/esrj/article/view/2279.