00974nam0-22003371i-450-990003781520403321200010100-8039-5704-1000378152FED01000378152(Aleph)000378152FED0100037815220001010d--------km-y0itay50------baitay-------001yyHow to Measure Survey Reliability and ValidityMark S. LitwinLondonSAGEc1995vii, 87 p.tav.23 cm<<The >>survey kitedited by Arlene Fink7RICERCA SOCIALESCIENZE SOCIALIRicercaMetodologia300.723Litwin,Mark S.143689ITUNINARICAUNIMARCBK990003781520403321300.723 FIN 2,75223/7BFSBFSHow to Measure Survey Reliability and Validity509945UNINAING01