Arianto A. Paturum, author
2004
Artikel Jurnal
Duxbury, Alison, author
Cambridge University Press, 2019
eBooks
Sternberg, Robert J., author
APA, 2000
Buku Teks
Tuttle, Matthew, author
John Wiley & Sons, 2009
Buku Teks
Grayson, David, author
Emerald, 2017
eBooks