Hammayo, Abubakar. “CRUDE OIL PRICE SHOCKS AND AGRICULTURAL PRODUCTIVITY IN NIGERIA (1987-2020): EVIDENCE FROM NON-LINEAR AUTO REGRESSIVE DISTRIBUTED LAG AND GRANGER CAUSALITY ANALYSIS”. Journal of Agripreneurship and Sustainable Development 3, no. 4 (December 1, 2020): 26–44. Accessed December 12, 2024. https://njaat.com.ng/index.php/jasd/article/view/158.