Felice, J. D. (1985). Interdisciplinary approaches in environmental education. Unesco Division of Science.
Chicago-referens (17:e uppl.)Felice, Josee De. Interdisciplinary Approaches in Environmental Education. Paris: Unesco Division of Science, 1985.
MLA-referens (9:e uppl.)Felice, Josee De. Interdisciplinary Approaches in Environmental Education. Unesco Division of Science, 1985.
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