00769nam0 2200277 450 991058629980332120240805151113.0978080395767120220824d1995----km y0itay50 baengUS 001yy<<The >>art of case study researchRobert E. StakeThousand Oaks ; London ; New DelhiSage1995173 p.23 cm2001EducazioneRicercaMetodologia370.7822itaStake,Robert E.623857ITUNINAREICATUNIMARCBK9910586299803321VIT / STA 53609BFSBFSArt of case study research2905225UNINA