Non-Linear Causal Link between Central Bank Intervention and Exchange Rate Volatility in Nigeria. Global Journal of Management and Business Research, [S. l.], v. 20, n. B6, p. 17–29, 2020. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/3138. Acesso em: 2 sep. 2026.