Mandang, Richard D., author
1993
UI - Skripsi Membership
Ani Indiani, author
1987
UI - Skripsi (Membership)
Yurita Indriany, author
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Sri Maria Radeningsih, author
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Rosita Anggraini, author
1987
UI - Skripsi (Membership)