Babbie, Earl R.
Babbie's research writer CD-ROM with chapter tutorials
Thomson/Wadsworth, 2004
 Multimedia
Babbie, Earl R.
Babbie's research writer CD-ROM with chapter tutorials
Thomson/Wadsworth, 2004
 Multimedia
Estolas, Josefina V.
Fundamentas of research
Miranda, 1973
 Buku Teks
Siswanto
Operations research Jilid I
Erlangga, 2007
 Buku Teks
Siswanto
Operations research Jilid II
Erlangga, 2007
 Buku Teks