Hawaldar, Iqbal Thonse, et al. “Empirical Testing of Month of the Year Effect on Selected Commercial Banks and Services Sector Companies Listed on Bahrain Bourse”. International Journal of Economics and Financial Issues, vol. 7, no. 2, Apr. 2017, pp. 426-3, https://econjournals.com.tr/index.php/ijefi/article/view/4131.