Igben, L., and E. Igun. “Socio-Economic and Demographic Profile of Agricultural Labour Force in Delta State, Niger Delta Region of Nigeria”. Journal of Environmental Issues and Agriculture in Developing Countries (JEIADC), vol. 9, no. 1, Nov. 2023, pp. 42-50, http://icidr.org.ng/index.php/jeiadc/article/view/293.