Iheukwumere, S., K. Nkwocha, C. Nwabudike, and P. Umeh. “Analysis of Family Size Preference in Awka, Anambra State, Nigeria”. Coou African Journal of Environmental Research, vol. 3, no. 1, Feb. 2021, pp. 1-12, http://ajer.coou.edu.ng/index.php/journal/article/view/118.