Portland : Glimmer Train Inc
Majalah, Jurnal, Buletin
Meyer, Kathy, author
[American Society for Training & Development;, ], 1997
eBooks
Shahraz, Qaisra, author
Mizan Publika, 2017
Buku Teks
In Hun, author
Foreign Languages Pub. House, 2014
Buku Teks
M. Sulaiman Abidin, author
Fakultas Kedokteran Universitas Indonesia, 2006
UI - Tesis Membership