@book{14078,
	author = {Lavrakas, Paul J.},
	title = {Encyclopedia of survey research methods /},
	publisher = {Sage Pub.,},
	year = {c2008},
	address = {Thousand Oaks, Calif. :},
	url = {http://find.galegroup.com.libraryumpsa.idm.oclc.org/openurl/openurl?url_ver=Z39.88-2004&url_ctx_fmt=info:ofi/fmt:kev:mtx:ctx&req_dat=info:sid/gale:ugnid:myump&res_id=info:sid/gale:GVRL&ctx_enc=info:ofi:enc:UTF-8&rft_val_fmt=info:ofi/fmt:kev:mtx:book&rft_id=info:sid/gale:bmcode:recid/2FKV}
}