Sarhangi, Masomeh, et al. “The Comparison of the Effectiveness of Life Skills and Logo Therapy Training on Communication Skills and Maternal Parenting Stress of Mothers of Children With Intellectual Disability”. Journal of Adolescent and Youth Psychological Studies (JAYPS), vol. 2, no. 2, Jan. 2022, pp. 238-51, https://journals.kmanpub.com/index.php/jayps/article/view/519.