Impact of Government Expenditure on Economic Growth In Sub-Saharan Africa: A Validity of Wagner’s Law. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 9, n. 02, p. 2039–2150, 2021. DOI: 10.18535/ijsrm/v9i2.em01. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/3049.. Acesso em: 22 jul. 2024.