Bank, Marcus, author
Sage Publications, 2001
Buku Teks
Banks, Marcus, author
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Buku Teks
Elliot Aronson...[et al.]
McGraw-Hill , 1990
Buku Teks
Dunn, Dana S., author
Wiley-Blackwell, 2009
Buku Teks
Crano, William D., author
Lawrence Erlbaum Assossiate, 2002
Buku Teks