@article{ Solr-024268704, title = {Methodological advances in evaluation research}, journal = {Sage research progress series in evaluation}, series = {Sage research progress series in evaluation}, editor = {Conner, Ross F. and Evaluation Research Society}, address = {Beverly Hills, Cal. u.a.}, publisher = {Sage Publ.}, year = {1981}, edition = {1. print.}, note = {Literaturangaben}, }