Public program evaluation a statistical guide di Langbein, Laura Irwin

Public program evaluation a statistical guide di Langbein, Laura Irwin

Discovering whether programs work a guide to statistical methods for program evaluation di Langbein, Laura Irwin

Discovering whether programs work a guide to statistical methods for program evaluation di Langbein, Laura Irwin

Discovering whether programs work a guide to statistical methods for program evaluation di Langbein, Laura Irwin

Ecological inference di Langbein, Laura Irwin

Ecological inference di Langbein, Laura Irwin, Lichtman, Allan J.

Ecological inference di Langbein, Laura Irwin

Ecological inference di Langbein, Laura Irwin