LRE thesaurus European Schoolnet europe,multimedia educational materials and Content of teaching, guidance, evaluation and administration 2010-09-18 2012-04-30 18:41:16 en achievement præstation Leistung επίτευγμα rendimiento koulusaavutus rendement teljesítmény profitto הישגים rendement prestation 2010-09-18 12:45:49