Warren, Hugh. Vocational and technical education : a comparative study of present practice and future trends in ten countries / Hugh Warren. - Paris : UNESCO, c 1967. - 222 p. ; 22 cm. - Monographs on education -6. . Includes index. 338 338 Subjects--Topical Terms: Education--Vocation. Dewey Class. No.: 371.426 / W252v