Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /home/conscientiabeam/archive.conscientiabeam.com/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/StyleSheet.php on line 52
“Determinant of Tax Revenue Effort in Sub-Saharan African Countries: A Stochastic Frontier Analysis”. International Journal of Sustainable Development & World Policy, vol. 9, no. 1, May 2020, pp. 47-71, https://doi.org/10.18488/journal.26.2020.91.47.71.