00810nam0-22002891i-450-9900039609004033210-9701385-9-8000396090FED01000396090(Aleph)000396090FED0100039609020030604d2001 km ayitay50-- --baengResearch methods knowledge baseWilliam M. K. Trochim2nd editionNew Yorkatomic Dog Publishingc2001ix, 363 p.28 cmStatisticateoria generale519Trochim,William M. K.149126ITUNINARICAUNIMARCBK990003960900403321MXXIII-A-2409412MASMASResearch methods knowledge base512987UNINA