Chalfant, J., and Scheffelin, M.1969. Central processing dysfunctions in children. Bethesda, Maryland: U.S. Department of Health, Education, and Welfare.
2.
Dumas, E.1974. Math activities for child involvement. Boston: Allyn and Bacon.
3.
Dunn, Rita, and Dunn, Kenneth.1978. Teaching students through their individual learning styles: a practical approach. Reston, Virginia: Reston Publishing Company.
4.
French, Russell, 1975. Teaching strategies and learning processes. Educational Considerations. Fall, 1975. ATP