Babbie, Earl R.
Babbie's research writer CD-ROM with chapter tutorials
Thomson/Wadsworth, 2004
Multimedia
Babbie's research writer CD-ROM
Wadsworth/Thomson Learning, 2004
Multimedia
Babbie, Earl
The Practice of social research Earl Babbie / Earl Babbie
Cal. Wodsworth Pub.Co. , 1986
Buku Teks
Babbie, Earl
The Practice of social research / Earl Babbie
Wadsworth, 1991
Buku Teks
Babbie, Earl
The Practice of social research / Earl Babbie
Wadsworth, 1998
Buku Teks