Soleymani Tappesari, B., BaniAsadi, T., Chaharbaghi, Z., & Adib Chamachaei, F. "The Effects of Instructional and Motivational Self-talk on Learning a Dart Throwing Skill in Children with Mild Mental Retardation", Journal of Pediatric Perspectives, 10, 6, 2022, 16163-16169. doi: 10.22038/ijp.2022.63100.4817