Planning for the needs of children in developing countries; report of a round-table conference 1-7 April, 1964, Bellagio, Italy
United Nations Children’s Fund , 1965
 Buku Teks SO
Cobb, Nancy J.
The Child : Irfants, children, and adolesents
Mayfield Publishing Company , 2001
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Singer, Hans W. (Hans Wolfgang)
Children in the strategy of development
United Nations, 1972
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Smith, Peter K.
Understanding children's development
Wiley, 2011
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Windell, James
Children who say no when you want them to say yes: failsafe discipline strategies for stubborn and oppositional children and teens
Macmillan, 1996
 Buku Teks SO