Foreign Portfolio Investment-Economic Growth Nexus in Nigeria: Co Integration and Granger Causality Analyses. American Journal of Public Diplomacy and International Studies (2993-2157), [S. l.], v. 2, n. 7, p. 197–205, 2024. Disponível em: https://grnjournal.us/index.php/AJPDIS/article/view/5607. Acesso em: 23 jan. 2026.