Effects of Terms of Trade and Its Volatility on Economic Growth in Sub-Saharan Africa . Ethiopian Journal of Economics, [S. l.], v. 27, n. 1, p. 1–28, 2018. Disponível em: https://ethiopianjournalofeconomics.org/index.php/EJE/article/view/193.. Acesso em: 15 jul. 2026.