Algozzine, R., Ysseldyke, J., & Khanzadeh, H. (2006). Teaching Students with Mental Retardation (First ed.). Tehran: Cultural development. (In Persian)
Baianzadeh, A., & Arjmandi, Z. (2003). The Effect of Social Skills Training on Adaptive Behavior of Mentally Retarded Children. Iranian Journal of Psychiatry and Clinical Psychology, 23, 27-34. (In Persian)
Beh-Pajooh, A., & Khanzadeh, H. (2012). Identification of the necessary social skills for students with intellectual disalbility in classroom setting. Journal of Curriculum Studies, 25, 95-114. (In Persian)
Beh-Pajooh, A., Osareh, A., & Abolhasani, Z. (2011). The Effectiveness of Professional Skills Training Program on the Efficiency of Mentally Retarded Students from the Viewpoint of Exceptional School Teachers in Tehran. Journal of Psychology Research, 12, 84-95. (In Persian)
Foreman, P. (2007). Mental retardation: definition, classification and systems of support, 10th edn. American Association on Mental Retardation. Washington, DC. 2002. In: Taylor & Francis.
Gilson, C. B., Carter, E. W., & Biggs, E. E. (2017). Systematic review of instructional methods to teach employment skills to secondary students with intellectual and developmental disabilities. Research and Practice for Persons with Severe Disabilities, 42(2), 89-107.
Gresham, F., & Elliot, S. (1990). Social Skills Rating System. American Guidance Service. Circle Pines, MN.
Heidari, M., Pour, S. B., Makvandi, B., Naderi, F., & Hafezi, F. (2016). Studyingthe Effectiveness of the FRIENDS Program Training on Promoting Social Skills of Children in Shiraz City. International Journal of Humanities and Cultural Studies (IJHCS) ISSN 2356-5926, 1058-1070. (In Persian)
Hosseininasab, S. D., & Soltani, A. (2011). The effects of cooperative learning on development of social skills among students. Journal of New Thoughts on Education, 3, 9-30. (In Persian)
Jalilabkenar, S. S., Ashoori, M., & Pourmohamadrezatajrishi, M. (2013). Investigation of the effectiveness social competence instruction on the adaptation behavior in boy students with intellectual disability. Journal of Rehabilitation, 13(5), 104-113. (In Persian)
Jenkins, L. N., Demaray, M. K., Fredrick, S. S., & Summers, K. H. (2016). Associations among middle school students’ bullying roles and social skills. Journal of school violence, 15(3), 259-278.
Khani, A., Imani, R., & Salehi, K. (2015). The Effect of Skill-Driven Education on Self-Esteem and Happiness of Students with Mental Retardation. Journal of Skill Training, 13, 87-102. (In Persian)
Khanzadeh, J., & Yaghoobnezhad, S. (2010). Studying the social skills of students with special needs in the work environment. Journal of Exceptional Education, 106, 4-17. (In Persian)
Petner-Arrey, J., Howell-Moneta, A., & Lysaght, R. (2016). Facilitating employment opportunities for adults with intellectual and developmental disability through parents and social networks. Disability and rehabilitation, 38(8), 789-795.
Shahim, S. (2005). Standardization of the social skills grading method for preschool children. Iranian Journal of Psychiatry and Clinical Psychology, 2, 176-186. (In Persian)
Van Vugt, E., Deković, M., Prinzie, P., Stams, G., & Asscher, J. (2013). Evaluation of a group-based social skills training for children with problem behavior. Children and Youth Services Review, 35(1), 162-167.