Techlikidou Ε., Michalopoulou Μ., Kourtessis Θ., Skordilis Ε., Orfanidou Ν., and Bourlouka Κ. “Steps Counts of Children With Intellectual Disability”. Inquiries in Physical Education and Sport, vol. 13, no. 1, June 2015, pp. 76-90, doi:10.26253/heal.uth.ojs.ispe.2015.1446.