Arief S. Sadiman [and others]
Rajawali, 2010; 2012
Buku Teks
Janiscus Pieter, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2013
UI - Tesis (Membership)
Cecep Kustandi, author
Ghalia Indonesia, 2011
Buku Teks
American Association of Community and Junior Colleges, 1988
Buku Teks
Khe, Foon Hew
Springer, 2012
eBooks