Universitas Indonesia, 2009
UI - Skripsi (Membership)
Universitas Indonesia, 2010
UI - Skripsi (Membership)
Ginting, Ruth Endaria Br, author
2013
UI - Tesis (Membership)
Surip, author
2013
UI - Tesis (Membership)
Nora Hartsfield
Academic Press , 1990
Buku Teks