OTTO, G.; UKPERE, W. Exports and economic growth in Nigeria. Annals of Spiru Haret University. Economic Series , [S. l.], v. 13, n. 3, p. 37–50, 2016. Disponível em: https://anale.spiruharet.ro/economics/article/view/1333. Acesso em: 25 apr. 2024.