Turnip, Berton Halomoan, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Nana Syaodih Sukmadinata, author
Remaja Rosdakarya, 2005
Buku Teks
Nana Syaodih Sukmadinata, author
Remaja Rosdakarya, 2003
Buku Teks
Ika Rini Lutanida, author
Fakultas Psikologi Universitas Indonesia, 2001
UI - Skripsi (Membership)
Emil Mukti, author
2004
UI - Skripsi (Membership)