Mathematical Achievement and Creativity Inherent in Children with Special Needs
(ICME12, TSG-4 2012)
Theory and Practice of Educational Intervention in the Learning of Numbers and Arithmetic Operations by Special Needs Children
(http://tsg.icme11.org/usrlogin 2008)
Theory and Practice of Educational Intervention in the Learning of Numbers and Arithmetic Operations by Special Needs Children
(http://tsg.icme11.org/usrlogin 2008)