OTENG-ABAYIE, E.; APPIAH-NKRUMAH, J. Estimating An Aggregate Import Demand Function For Ghana. Journal of Science and Technology (Ghana), [S. l.], v. 29, n. 2, 2009. DOI: 10.4314/just.v29i2.46224. Disponível em: https://www.ajol.info/index.php/just/article/view/46224. Acesso em: 4 oct. 2026.