AHIAKPOR, F. .; OBENG, C. K. .; BRAFU-INSAIDOO, W. G. . Impact of import liberalization on aggregate imports and tariff revenue in Ghana: Impact of import liberalization on aggregate imports and tariff revenue in Ghana. Oguaa Journal of Social Sciences, [S. l.], v. 6, n. 1, p. 115–140, 2011. Disponível em: https://journal.ucc.edu.gh/index.php/ojoss/article/view/595. Acesso em: 18 may. 2024.