O`Rourke, Kevin Hjortshoj, author
Oxford University Press, 2017
eBooks
Azwar, author
Universitas Indonesia, 2012
UI - Tesis (Open)
Artikel Jurnal
Ine Minara S. Ruky, author
1990
UI - Tesis (Membership)
Jiway Francis Tung, author
Universitas Indonesia, 2000
UI - Tesis (Membership)