00812nam0-22003011i-450-9900031770204033210-7619-5009-5000317702FED01000317702(Aleph)000317702FED0100031770220000920d1997----km-y0itay50------baitaITRealistic EvaluationRay Pawson and Nick Tilley.LondonThousand OaksSage1997.XVII, 235 p.24 cmValutazioneRicerca socialeMetodologiaPawson,RayTilley,NickITUNINARICAUNIMARCBK99000317702040332111130 PAW17529SESSESRealistic Evaluation452894UNINAING01