Clinard, Marshall B. (Marshall Barron)
Sage Publications, 1985
Buku Teks SO
Judson, Karen, 1941-
McGra-Hill Connect Learn Succeed, 20103
Buku Teks SO
Rezaee, abihollah
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Buku Teks
edited by Donald Earl Childress III
Cambridge University Press, 2014
Buku Teks SO
Barrett, Brenda
M&E Handbook Series, 1995
Buku Teks SO