Measuring the results of skills development interventions : experiences of impact evaluations by German, Swiss and Austrian development cooperation / implemented by Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH ; Text Dr. Ursula Esser, GOPA, Bonn (Germany), Franziska Holzaepfel, GOPA, Bad Homburg (Germany), Patricia Zamalloa-Huegel, GOPA, Ladenburg (Germany)
