Action-research and Food and Nutrition Security: A school experience mediated by conceptual graphic representation tool

Author: Graebner Ivete Teresinha   Souza Elizabeth   Saito Carlos Hiroo  

Publisher: Routledge Ltd

ISSN: 1464-5289

Source: International Journal of Science Education, Vol.31, Iss.6, 2009-04, pp. : 809-827

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Abstract