ONAKOYA, Adegbemi Babatunde et al.
Macroeconomic Variables, Trade Openness and Tax Revenue in Sub-Saharan Africa.
KIU Journal of Social Sciences, [S.l.], v. 6, n. 1, p. 79-88, apr. 2020.
ISSN 2519-0474.
Available at: <https://www.ijhumas.com/ojs/index.php/kiujoss/article/view/735>. Date accessed: 13 july 2020.