Shekari, Morteza Doosti Seyyed, and Babak Jamshidinavid. “Study of Information Asymmetry Effect on Price Synchronism in Tehran Stock Exchange”. International Journal of Economics and Financial Issues, vol. 7, no. 4, Aug. 2017, pp. 343-6, https://mail.econjournals.com/index.php/ijefi/article/view/5232.