Discovering whether programs work a guide to statistical methods for program evaluation
| 1. autor: | |
|---|---|
| Format: | Książka |
| Język: | angielski |
| Wydane: |
Santa Monica, California
Goodyear Pub.
[1980]
|
| Seria: | The Goodyear public policy analysis and management series
|
| Hasła przedmiotowe: |