AKANDE, Rashidat S.; HAMMED, Olalekan A.; SHITU, Abdul M.; YUSUF, Yusuf T. Regulatory Efficiency and Informal Economy: Impact on Tax Revenue in West Africa. African Journal of Management and Business Research, Nigeria, v. 18, n. 1, p. 199–217, 2025. DOI: 10.62154/ajmbr.2025.018.010608. Disponível em: https://afropolitanjournals.com/index.php/ajmbr/article/view/608.. Acesso em: 21 apr. 2025.