Jimoh, Sodiq Olaiwola, and Felix Gbenga Olaifa. 2020. “Determinants of Intra Sub-Saharan African Trade: Evidence from ECOWAS and CEN-SAD Countries”. Pakistan Journal of Humanities and Social Sciences 8 (2):69-78. https://doi.org/10.52131/pjhss.2020.0802.0104.