Discovering whether programs work a guide to statistical methods for program evaluation

Detaylı Bibliyografya
Yazar:	Langbein, Laura Irwin
Materyal Türü:	Kitap
Dil:	İngilizce
Baskı/Yayın Bilgisi:	Glenview, Il. Scott, Foresman 1980.
Seri Bilgileri:	The Scott, Foresman public policy analysis and management series
Konular:	Social sciences > Statistical methods. Evaluation research (Social action programs)