Barry, Anne-Marie, author
SAGE, 2012
Buku Teks
Iwan Susilo Joko, author
2013
UI - Tesis (Membership)
Ashmore, Malcolm
Open University Press, 1990
Buku Teks
White, Kevin, author
Rajawali, 2011
Buku Teks
Rita Hadi Widyastuti, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2009
UI - Tesis (Open)