%0 Journal Article %A %D 2020 %J International Journal of Sustainable Development & World Policy %@ 2305-705X %V 9 %N 1 %P 47-71 %T Determinant of Tax Revenue Effort in Sub-Saharan African Countries: A Stochastic Frontier Analysis %M 10.18488/journal.26.2020.91.47.71 %U http://www.pakinsight.com/archive/26/03-2020/1