https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 The performance of children with Attention Deficit Hyperactivity Disorder on Griffiths Mental Development Scales: extended revised https://vital.seals.ac.za/vital/access/manager/Repository/vital:9852 Wed 13 Mar 2024 10:42:24 SAST ]]> The general development and cognitive ability of a sample of children in specialized education https://vital.seals.ac.za/vital/access/manager/Repository/vital:9951 Mon 13 Feb 2017 23:16:55 SAST ]]>