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FrostigMarianne, A New Monograph on the Marianne Frostig Center of Educational Therapy, Los Angeles: California, 1968.
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KephartN. C., The Slow Learner in the Classroom, Columbus, Ohio: Merrill, 1960.
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LeviAurelia, “An Approach to the Remediation of Cognitive Deficit”, Professional School Psychology, Vol. III. New York: Grune & Stratton, Inc., 1969.
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