Ewugi, Musa Salihu, Mohd Zaini Abd Karim, and Roslan Abdul-Hakim. 2016. “Shiroro Hydro Electricity Dam and Happiness of Host Community: An Evaluation Using Propensity Score Matching Analysis”. International Journal of Economics and Financial Issues 6 (3):1106-113. https://mail.econjournals.com/index.php/ijefi/article/view/2260.