Alwin, D. F. (1978). Survey design and analysis: Current issues. Sage contemporary social science issues.
Cita Chicago Style (17a ed.)Alwin, Duane F. "Survey Design and Analysis: Current Issues." Sage Contemporary Social Science Issues 1978.
Cita MLA (8a ed.)Alwin, Duane F. "Survey Design and Analysis: Current Issues." Sage Contemporary Social Science Issues, 1978.
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