00461nam a2200133Ia 4500082002100000100002300021245008500044260004400129300001400173650002000187650006300207650003100270650002600301  a361.250723 SUC-;  aSuchman, Edward A. 0aEvaluative research: principles and practice in public service & social action p  aNew YorkbRussell Sage Foundationc1967  aix, 186p.  aPublic services  aEvaluation research (Social action programs) - Methodology  aCivil service - Evaluation  aResearch - Evaluation