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Ciência & Educação
Print version ISSN 1516-7313
Ciência educ. vol.15 no.03 Bauru Sept./Dec. 2009
“Sustancia” en el devenir la quimica: dime cómo te buscan y te diré que eres.
“Substance” in the evolution of chemistry: tell me how the other is looking for you and I will tell you what you are.