TY  - BOOK
AU  - Hoffmann, D. Laurence
TI  - Appeied calcules : for business, economics, and the social and life sceinces
SN  - 978-007-131181-6, 007-131181-5
AV  - QA 303.2 .H64/ 
CY  - New York 
KW  - Calculus
ER  -