01062nam0-22003491i-450-990003774560403321200010100-08-039355-1000377456FED01000377456(Aleph)000377456FED0100037745620001010d--------km-y0itay50------baitay-------001yyFoundations of Program EvaluationTheories of PracticeWilliam R. Shadish, Thomas D. Cook, Laura C. LevitonNewbury ParkSAGE Publicationsc1991529 p.23 cmRICERCA VALUTATIVA (programmazione sociale)PROGRAMMAZIONE SOCIALE E INTERVENTO PUBBLICO361.60684Shadish,William R.143417Cook,Thomas D.LevitonLaura C.ITUNINARICAUNIMARCBK990003774560403321361.60684 SHA 13000BFSBFSFoundations of Program Evaluation509703UNINAING01