Ranjbakhsh, M. ., and A. . Zarandi. “Studying the Effectiveness of Cognitive Group Therapy Based on Imaginative Exposure in Social Phobia of University Students”. Scientific Journal of Pure and Applied Sciences, vol. 3, no. 6, June 2014, pp. 348-55, http://sjournals.com/index.php/sjpas/article/view/890.