Cite
MLA Citation
Rosa Branca Rosa Branca Tracana Tracana and Graça S. Graça S. Carvalho Carvalho. “Ecosystems, Pollution, and Use of Resources in Textbooks of 14 Countries: An Ecocentric Emphasis.” ISRN education, vol. 2012, 2012, p. . http://access.bl.uk/ark:/81055/vdc_100117938675.0x000010