Osoo, G. M., and P. F. Wezel. “The Influence of Perceived Organization Support (POS) on Negative Staff Turn-Over (Retention) in African Union-United Nations Hybrid Mission Operations in Darfur-Sudan (UNAMID)”. European Journal of Business and Strategic Management, vol. 1, no. 2, Sept. 2016, pp. 10-27, https://www.iprjb.org/journals/index.php/EJBSM/article/view/78.