WebAssign Matemática y vida cotidiana II
Autor:Kaufmann, Jerome; Schwitters, Karen; Stewart, James; Redlin, Lothar; Watson, SaleemWebAssign Matemática y vida cotidiana I
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Autor:Kaufmann, Jerome; Schwitters, Karen; Redlin, Lothar; Watson, Saleem; Swokowski, Earl; Cole, Jeffery; Stewart, James