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Journal of Cleaner Production > 2015 > 96 > Complete > 30-43
International Review of Education > 2010 > 56 > 2-3 > 271-285
International Journal of Educational Development > 2009 > 29 > 2 > 166-174
Journal of Cleaner Production > 2015 > 96 > Complete > 30-43
International Review of Education > 2010 > 56 > 2-3 > 271-285
International Journal of Educational Development > 2009 > 29 > 2 > 166-174