HICKSON, L., & JUDD, T. (1987). SOURCES OF DIFFICULTY IN THE SOLUTION OF VERBAL ARITHMETIC PROBLEMS BY MENTALLY RETARDED AND NONRETARDED INDIVIDUALS.
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Chicago Style (17th ed.) Citation
HICKSON, L., and T. JUDD. SOURCES OF DIFFICULTY IN THE SOLUTION OF VERBAL ARITHMETIC PROBLEMS BY MENTALLY RETARDED AND NONRETARDED INDIVIDUALS. 1987.
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MLA (9th ed.) Citation
HICKSON, L., and T. JUDD. SOURCES OF DIFFICULTY IN THE SOLUTION OF VERBAL ARITHMETIC PROBLEMS BY MENTALLY RETARDED AND NONRETARDED INDIVIDUALS. 1987.
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Warning: These citations may not always be 100% accurate.