00376nam a2200133 a 450000500170000002000150001708200230003210000220005524500750007726000340015230000160018670000190020270000210022120251203092012.0 a0803944594 a361.61072,bD, fre aFreeman, Howard E aWorkbook for evaluation: a systematic approach, Howard E. Freeman, eng aLoNew Delhion, Sage, GBc1993 a103p.c27cm aRossi, Peter H aSandefur, Gary D