ONYEKA-UBAKA, J. N.; OKAFOR , R.O.; ABASS, O. Trading volume volatility in Nigeria’s banking sector. Benin Journal of Statistics, [S. l.], v. 1, n. 1, p. 21–32, 2018. Disponível em: https://www.bjs-uniben.org/index.php/home/article/view/5. Acesso em: 6 aug. 2026.