00838nam0-22003011i-450-9900031515804033210-8039-2876-9000315158FED01000315158(Aleph)000315158FED0100031515820000920d1989----km-y0itay50------baitaITPartecipant ObservationA Methodology for Human StudiesDanny L. Jorgensen.Beverly HillsLondonSage1989.132 p.22 cmApplied Social Research Methods Series1511210Jorgensen,Danny L.ITUNINARICAUNIMARCBK99000315158040332111210 JOR12341SESSESPartecipant Observation458248UNINAING01