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1كتاب
المؤلفون: Akiba, Daisuke
المصدر: Child Development. 2002, p181-186.
مصطلحات موضوعية: Nature and nurture, Personality traits, Behavioral genetics, Heredity, Adoption, Genetics, Twins
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2كتاب
المؤلفون: Troha, James A
المصدر: Child Development. 2002, p58-60.
مصطلحات موضوعية: Birth order, Firstborn children, Only children, Personality traits, Youngest child, Birth intervals, Family, Child development