(1984). The Unesco resource pack for introduction teaching-learning: An introduction to vol. 1. Division of Science, technical and Vocational Education, United Nations Educational, Scientific and Cultural Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)The Unesco Resource Pack for Introduction Teaching-learning: An Introduction to Vol. 1. Paris: Division of Science, technical and Vocational Education, United Nations Educational, Scientific and Cultural Organization, 1984.
Παραπομπή σε μορφή MLA (9th εκδ.)The Unesco Resource Pack for Introduction Teaching-learning: An Introduction to Vol. 1. Division of Science, technical and Vocational Education, United Nations Educational, Scientific and Cultural Organization, 1984.
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