Hummel, C. (1977). Education today for the world of tomorrow: A study prepared for the International Bureau of Education. Unesco.
Cita Chicago Style (17a ed.)Hummel, Charles. Education Today for the World of Tomorrow: A Study Prepared for the International Bureau of Education. Paris: Unesco, 1977.
Cita MLA (9a ed.)Hummel, Charles. Education Today for the World of Tomorrow: A Study Prepared for the International Bureau of Education. Unesco, 1977.
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