ONYINYE M., D.-W. Empirical Analysis of Trade Barriers and Economic Growth in Nigeria. Innovare Journal of Social Sciences, [S. l.], v. 2, n. 4, p. 1–6, 2014. Disponível em: https://innovareacademics.in/journals/index.php/ijss/article/view/1620. Acesso em: 30 nov. 2021.