Umeora, Chukwunonso, et al. “Average Monthly Income of Residents As A Predictor of Residents’ Satisfaction in Private Housing Estates in Enugu, Nigeria”. Coou African Journal of Environmental Research, vol. 2, no. 1, Mar. 2020, pp. 33-40, http://ajer.coou.edu.ng/index.php/journal/article/view/30.