United Nations Educational, Scientific and Cultural Organization. (1974). New trends in the utilization of eductaional technology for science education. Unesco Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Educational, Scientific and Cultural Organization. New Trends in the Utilization of Eductaional Technology for Science Education. Paris: Unesco Press, 1974.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Educational, Scientific and Cultural Organization. New Trends in the Utilization of Eductaional Technology for Science Education. Unesco Press, 1974.
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