Artikel Jurnal
Siahaan, Melinda
Universitas Indonesia, 2003
UI - Tesis (Membership)
Wiwi Winarti
Universitas Indonesia, 2003
UI - Tesis (Membership)
Tuapattinaja, Josetta Maria Remila
1988
UI - Skripsi (Membership)
Yuyun Rani
Universitas Indonesia, 2003
UI - Tesis (Membership)