EXTERNAL RESERVES: CAUSALITY EFFECT OF MACRO ECONOMIC VARIABLES IN NIGERIA: 1980-2009. Arabian Journal of Business and Management Review (AJBMR), [S. l.], v. 1, n. 12, p. 14–27, 2012. DOI: 10.65453/ajbmr.v1i12.308. Disponível em: https://j.arabianjbmr.com/index.php/ajbmr/article/view/308. Acesso em: 15 sep. 2026.