Hutt, M. L., & Gibby, R. G. (1958). THE MENTALLY RETARDED CHILD: DEVELOPMENT, EDUCATION AND GUIDANCE.
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Tohutoru Kātū Chicago (17th ed.)
Hutt, Max L., me Robert Gwyn Gibby. THE MENTALLY RETARDED CHILD: DEVELOPMENT, EDUCATION AND GUIDANCE. 1958.
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Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Hutt, Max L., me Robert Gwyn Gibby. THE MENTALLY RETARDED CHILD: DEVELOPMENT, EDUCATION AND GUIDANCE. 1958.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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