Hummel, Charles, Dr. Education today for the world of tomorrow : a study prepared for the International Bureau of Education / Charles Hummel. - Paris : Unesco, 1977. - 200 p., [4] leaves of plates : ill. ; 21 cm. - Studies and surveys in comparative education . Bibliography: p. [187]-200. ISBN: 9231014609 LCCN: 80469316 Subjects--Topical Terms: Continuing education.Educational equalization.Educational sociology. LC Class. No.: LC189 / .H85 Dewey Class. No.: 370.19