ONAKOYA, Adegbemi Babatunde et al.
 Macroeconomic Variables, Trade Openness and Tax Revenue in Sub-Saharan Africa.
<strong>NIU Journal of Social Sciences</strong>, [S.l.], v. 6, n. 1, p. 79-88, abr. 2020.
ISSN 3007-1690.
Disponible en: &lt;<a href="https://www.kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/735" target="_new">https://www.kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/735</a>&gt;. Fecha de acceso: 11 nov. 2026