Benahmed-Daho, Rachida, et al. “Liberalization of Financial Services and Performance of Commercial Banks in Algeria: An Empirical Study (1998 – 2012)”. International Journal of Economics and Financial Issues, vol. 5, no. 4, Oct. 2015, pp. 889-96, https://econjournals.com./index.php/ijefi/article/view/1420.