Effectiveness of Social Skills Training, Problem Solving Method to Reduce Behavioral Problems Mentally Retarded Students from Elementary School Boy City of ILAM. Mediterr. J. Soc. Sci. [Internet]. 2015 Dec. 25 [cited 2024 May 2];6(6 S6):143. Available from: https://www.richtmann.org/journal/index.php/mjss/article/view/8482