Zulfan, author
Fakultas Psikologi Universitas Indonesia, 2009
UI - Skripsi (Open)
Dewi Adriani, author
Fakultas Hukum Universitas Indonesia, 2006
UI - Tesis Membership
Karen Jensen
Sense, 2012
eBooks
Anne Mc Kee
Springer, 2012
eBooks
Roberts, Norman, author
Library Association Publishing, 1991
Buku Teks