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Ensaio Pesquisa em Educação em Ciências

Print version ISSN 1415-2150On-line version ISSN 1983-2117

Ens. Pesqui. Educ. Ciênc. vol.9 no.1 Belo Horizonte Jan./June 2007

https://doi.org/10.1590/1983-21172007090103