00916nam0-22003251i-450-9900031730704033210-8039-3779-2000317307FED01000317307(Aleph)000317307FED0100031730720000920d1990----km-y0itay50------baitaITQualitative Evaluation and Research MethodsMichael Quinn Patton.2nd ed.Newbury ParkLondonSage1990.532 p.22 cmScienze socialiMetodologiaValutazioneRicerca socialeMetodologia11130Patton,Michael QuinnITUNINARICAUNIMARCBK99000317307040332111130 PAT14638SESSESQualitative Evaluation and Research Methods458115UNINAING01