Charles, Sebil, Sam Napoleon Bellua, and Bumbokuri Jude. “MEASURING THE EFFICIENCY OF WORLD VISION GHANA’S EDUCATIONAL PROJECTS USING DATA ENVELOPMENT ANALYSIS”. European Scientific Journal, ESJ 9, no. 31 (November 30, 2013). Accessed May 10, 2024. https://eujournal.org/index.php/esj/article/view/2061.