TY  - BOOK
AU  - Asin, Ricardo C.
TI  - Formulas, notes & solved problems on differential calculus: handy reference book for college students 
SN  - 9719013419
AV  - QA 305 .A8 1996 
PY  - 1996///
CY  - Valenzuela City, Philippines
PB  - Tru-Copy Publishing House
KW  - DIFFERENTIAL CALCULUS
ER  -