| 5 | Strengthening of education systems: a discussion paper prepared for GIZ | Strengthening of education systems: a discussion paper prepared for GIZ | Göttelmann-Duret, Gabriele;Bahr, Klaus;De Grauwe, Anton;Arestoff, Florence;Geissler, Nils;Frainer, Karina | United Nations Educational, Scientific and Cultural Organization;International Institute for Educational Planning | 2012/06 | | |