13
by Coutinho, José de Araújo.
Published 2011
Subjects: ...Dialectical materialism....
Digitalia Hispánica
Electronic eBook
18
by Batista, Felício Felix.
Published 2005
Subjects: ...Education. Teaching methods and materials. Science and technology....
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eBook
20
Subjects: ...Composite materials...
A reciclagem de PVC no Brasil
Book