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