Yunita Wulandari
2018
UI - Skripsi (Membership)
edited by Jack Pinkowski
CRC Press, 2008
Buku Referensi
Doty, Steve
CRC Press, Taylor & Francis Group, 2009
Buku Referensi
Penn, Ira A.
Gower, 1998
Buku Teks
Clark, John R.
Lewis Publishers, 1996
Buku Referensi