Katz, P. and Deutsch, M.Visual and Auditory Efficiency and its Relationship to Reading in Children. Cooperative Research Project No. 1099, Report, 1963.
2.
Rinsland, Henry.A Basic Vocabulary of Elementary School Children. New York: Macmillan Co., 1945.
3.
Weiner, M. and Feldmann, S.Validation Studies of a Reading Prognosis Test for Children of Lower and Middle Socio-Economic Status. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1963, 23, 807-814.