Jafar tabatabaee, T. S. , , Ahadi, H. , , Bahrami, H. , and Khamesan, A. . "The Effects of Teaching Positive Thinking on the Anxiety of Students of
Psychology at the Islamic Azad University of Birjand", Journal of Educational Psychology Studies, 15, 29, 2018, 97-124. doi: 10.22111/jeps.2018.3604