TY  - BOOK
AU  - Cohen,David
AU  - Rueger Ross
TI  - Precalculus: a problems oriented approach [exercises]
SN  - 0314023003
U1  - 515.076 
PY  - 1993///
CY  - New York
PB  - West Publishing
KW  - CÃ¡lculo
KW  - MatemÃ¡ticas
ER  -