Autor
Mezinárodní organizace práce
5
UNESCO
5
Comité conjoint OIT/UNESCO d'experts sur l'application de la Recommandation concernant la condition du personnel enseignant
1
Joint ILO/UNESCO Committee of Experts on the Application of the Recommendation concerning the Status of Teachers
1
OECD/UNESCO World Education Indicators
1
Organizace pro ekonomickou spolupráci a rozvoj
1
UNESCO Institute for Statistics
1