00867nam0-22003251i-450-9900031902404033210-8039-2338-4000319024FED01000319024(Aleph)000319024FED0100031902420000920d1984----km-y0itay50------baitaITSecondary ResearchInformation Sources and MethodsDavid W. Stewart.Beverly HillsLondonSage1984.133 p.22 cmApplied Social Research Methods Series4103501051011200Stewart,David W.ITUNINARICAUNIMARCBK99000319024040332111200 STE12414SESSESSecondary Research453781UNINAING01