Universidad Pedagógica Nacional Unidad Ajusco Catálogo de la Biblioteca "Gregorio Torres Quintero"
by King, Edmund James, 1914-.
by Nadal Egea, Alejandro | Salas Páez, Carlos, coaut.
by Pelc, Karol I | Unesco. Division of Educational Policy and Planning.
by Padua N., Jorge, 1938- | UNESCO. International Institute for Educational Planning.
by Halty Carrère, Máximo | El Colegio de México.
by UNESCO.
by King, Edmund James, 1914- | UNESCO | Oficina Internacional de Educación.
by Pérez Victoria, Silva | UNESCO.
by McGinn, Noel | Barra, Nancy, coaut | Harris, Christopher, coaut | UNESCO. Division of Educational Policy and Planning.