Dasgupta, S. (2011). Environmental education: A book of activities : climate change, natural resources. Centre for Science and Environment.
シカゴスタイル引用形Dasgupta, Sumita. Environmental Education: A Book of Activities : Climate Change, Natural Resources. New Delhi: Centre for Science and Environment, 2011.
MLA引用形式Dasgupta, Sumita. Environmental Education: A Book of Activities : Climate Change, Natural Resources. Centre for Science and Environment, 2011.
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