RT Book T1 Getting the facts: a fieldwork guide for evaluators and policy analysts T2 Goodyear public policy analysis and management series A1 Murphy, Jerome T. LA English PP Santa Monica, California PB Goodyear Publ. YR 1980 UL https://krimdok.uni-tuebingen.de/Record/03949344X CN H61 SN 0830233830 K1 Social Sciences : Fieldwork