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Prentice-Hall, 2008
Buku Teks
Chang, Raymond, author
McGraw-Hill, 2013
Buku Teks
Inayah Agustin, author
Fakultas Psikologi Universitas Indonesia, 2012
UI - Tesis (Open)
Paradis, Jeffrey, author
McGraw-Hill, Higher Education, 2006
Buku Teks
Russo, Steve, author
Pearson Benjamin Cummings, 2007
Buku Teks