Sylvia Damayanti Amril, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Artikel Jurnal
Fitria Prabandari, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Santrock, John W., author
McGraw-Hill, 2000
Buku Teks
Santrock, John W., author
McGraw-Hill, 2003
Buku Teks