Usoro, Akanimo Ernest, Wasiu Akintunde Yusuf, and Bartholomew O. N Okafor. 2020. “Nexus Between Non-Oil Sectoral Contribution and Economic Growth in Nigeria 1981-2018”. The Economics and Finance Letters 7 (1):13-22. https://doi.org/10.18488/journal.29.2020.71.13.22.