Muhammad Ayub, author
John Wiley & Sons Inc., 2010
Buku Teks
The Institute for Research and Community Empowerment (IRCE), 2013
Majalah, Jurnal, Buletin
Choudhury, Masudul Alam, 1948-, author
Routledge, 1997
Buku Teks
Engku Rabiah Adawiah Eengku Ali, author
CERT, 2008
Buku Teks
Askar Muhammad, author
2018
UI - Skripsi (Membership)