Voices of modern psychology
Addison Wesley Publishing Company, 0
 Buku Teks
Lucas, Bill
Power up your mind: learn faster, work smarter
Nicholas Brealey Publishing, 2002
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Fitagerald, Hiram E
Developmental psychology
0, 1982
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Liebert, Robert M., 1942-
Developmental psychology
Prentice-Hall, 1986
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Hurlock, Elizabeth Bergner, 1898-
Developmental psychology
Tata McGraw-Hill, 1979
 Buku Teks