1. Africa Union. (2015). Agenda 2063: Framework document—The Africa We Want, available at: https://au.int/sites/default/files/documents/33126-doc-01_background_note.pdf.
2. African Development Bank (2018). The Africa infrastructure development index, Statistics Department, available at: http://afdb.org (accessed 16 June 2021).
3. Trade liberalization, exchange rate changes, and tax revenue in Sub-Saharan Africa;Agbeyegbe;J. Asian Econ.,2006
4. Determinant of tax buoyancy: empirical evidence from developing countries;Ahmed;Eur. J. Soc. Sci.,2010
5. Five country cases illustrate how best to improve tax collection;Akitoby;Fin. Dev.,2018