Panjaitan, Nurmala Katrina, author
1985
UI - Skripsi (Membership)
Ahern, Charles A., author
Springer, 2011
eBooks
Dryden, Gordon, author
Kaifa, 2000
Buku Teks
Irene Juwono, author
1982
UI - Skripsi (Membership)
Omrod, Jeanne Ellis, author
Pearson Education, Inc., 2009
Buku Teks