Chang, Tsangyao; Simo-Kengne, Beatrice Desiree; Gupta, Rangan(Statistical, Economic and Social Research and Training Centre for Islamic Countries, 2014)
Vundla, Thulile; Blignaut, James Nelson; Nkambule, Nonophile Promise; Morokong, Tshepo; Mudavanhu, Shepherd(University of Pretoria, Department of Economics, 2016)