TY  - BOOK
AU  - Ymas, Sergio E.  Jr.
TI  - Differential calculus and applications in business and economics, engineering and social sciences : (wider perspective)
SN  - 6858769413619
U1  - Fil. 516.24 Y69 
PY  - 2012///
CY  - Sampaloc Manila
PB  - Sta. Monica Printing Corporation, 
ER  -