{"source":"book","style":"apa","contributors": [{"function":"author","last":"Wholey","first":"Joseph","middle":"S"},{"function":"author","last":"Hatry","first":"Harry","middle":"P"},{"function":"author","last":"Newcomer","first":"Kathryn","middle":"E ,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Handbook of practical program evaluation","publisher":"Jossey-Bass","city":"San Francisco","year":"2010"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"646630550","isbn":"9780470522479 047052247X"}