Sembiring, Jafar, author
2005
UI - Disertasi (Membership)
Sembiring, Jafar, author
2005
UI - Disertasi (Membership)
Rusman Hakim
Elex Media Komputindo , 2001
Buku Teks
Artikel Jurnal
Cut Sarah, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis (Membership)