Cohen, David
How the child's mind develops / David Cohen
Routledge Press, 2002
 Buku Teks
Issues in URL management for digital collections Laura Cohen
 Artikel Jurnal
Cohen, John
Psychological probability or the art of doubt / John Cohen
George Allen and Unwin Ltd., 1972
 Buku Teks
Hasan Rifa`i Alfaridy, author
Panduan zakat
Amil ZIS UI, 2007
 Buku Teks
OverclockVideo panduan
Info Komputer, 2008
 Multimedia