Henry, Gasry T
Practical sampling V .21 - Newbury Sage Publications 1990 - 139 - Applied social research methods series .
0 8039 2959 5
research
Sampling
social surveys
001 .42 / HEN/PR
Practical sampling V .21 - Newbury Sage Publications 1990 - 139 - Applied social research methods series .
0 8039 2959 5
research
Sampling
social surveys
001 .42 / HEN/PR