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References
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Haimowitz
Morris L.
“What Happens When You Say Hello?”
Trans. An. J. , 3 : 2 , April 1973 , p. 113 .
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Haimowitz
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and
Haimowitz
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Instructor Manual to Accompany Human Development , 3rd edition . Thomas Crowell , New York , 1973 , pp. 88 –126 .