El Tiempo de la innovación
By: UNESCO ; traductores, Enrique G. León López, Arrigo Coen Anitua
Contributors: Unesco
Edition: 1a ed. en SepSetentas.
Series: SepSetentas -- 193-194
Publisher: Secretaria de Educación Pública
Published: 1975
Place of publication: México
Language: spa
Translated from: und
Copyright date: 1974
Subjects: Educational planning; Education; Research; Fundamental education
Notes: Includes bibliographical references.