Ellinoudis Θ., Kourtessis Θ., Kiparissis Μ., and Papalexopoulou Ν. “Motor Clumsiness in 9-12 Year-Old Greek Schoolchildren”. Inquiries in Physical Education and Sport, vol. 6, no. 3, Dec. 2008, pp. 280-9, doi:10.26253/heal.uth.ojs.ispe.2008.1282.