O Olarewaju, Favour, Oluwafadekemi S Areo, Adeyemi A Ogundipe, Toun Y Ogunbiyi, and Abiola J Asaleye. 2020. “Capital and Labour Productivity: A Comparative Study of Nigeria and South Africa”. Asian Economic and Financial Review 10 (12):1384-95. https://doi.org/10.18488/journal.aefr.2020.1012.1384.1395.