00739nam0 2200265 450 991026915850332120180531131554.020180531d2013----km y0itay50 baengGB 001yy<<The >>science of evaluationa realist manifestoRay PawsonLondon [etc.]Sage2013XIX, 216 p.25 cmScienze socialiRicercaValutazioneValutazioneTeoria300.7222itaPawson,Ray125156ITUNINAREICATUNIMARCBK9910269158503321300.72 PAW 2BFSBFSScience of evaluation1505509UNINA