Leal Filho, W. (2011). World trends in education for sustainable development. Peter Lang Publishing,Inc.
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Chicago-čujuhus (17. p.)
Leal Filho, Walter. World Trends in Education for Sustainable Development. Frankfurt am Main: Peter Lang Publishing,Inc, 2011.
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MLA-čujuhus (9. p.)
Leal Filho, Walter. World Trends in Education for Sustainable Development. Peter Lang Publishing,Inc, 2011.
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