American Psychology Association, 2018
Majalah, Jurnal, Buletin
American Psychological Association, Inc.,, 2002
Majalah, Jurnal, Buletin
Majalah, Jurnal, Buletin
Pusat Keberbakatan Fakultas Psikologi Universitas Indonesia,
Majalah, Jurnal, Buletin
Edited by S. Maes, H. Leventhal and M. Johnston
John Wiley & Sons, 1993
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