VELLEM, V.; MATEZO ESPOIR, L. The impact of aid for trade on horizontal and vertical export diversification: The case of Sub-Saharan Africa and Developing Asia. International Journal of Research in Business and Social Science (2147- 4478), [S. l.], v. 10, n. 5, p. 135–147, 2021. DOI: 10.20525/ijrbs.v10i5.1296. Disponível em: https://www.ssbfnet.com/ojs/index.php/ijrbs/article/view/1296. Acesso em: 23 may. 2025.