Awdur
Ahmed, Manzoor, 1940-
1 canlyniadau
Banco Mundial
1 canlyniadau
Coombs, Philip H. (Philip Hall), 1915-2006
1 canlyniadau
FAO
1 canlyniadau
International Council for Educational Development
1 canlyniadau
Mata García, Bernardino
1 canlyniadau
Organización Internacional del Trabajo
1 canlyniadau
Unesco
1 canlyniadau
Universidad Autónoma Chapingo
1 canlyniadau