Dubey, R. (1992). Human ecology and environmental education: Interdisciplinary approaches. Chungh Publications.
Chicago-čujuhus (17. p.)Dubey, R.M. Human Ecology and Environmental Education: Interdisciplinary Approaches. Allahabad: Chungh Publications, 1992.
MLA-čujuhus (9. p.)Dubey, R.M. Human Ecology and Environmental Education: Interdisciplinary Approaches. Chungh Publications, 1992.
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