TY  - BOOK
AU  - Grimaaldi, Ralph P.
AU  - Ramana B. V.
TI  - Discrete and combinatorial mathematics:  an applied introduction
SN  - 9788177584240
U1  - 510 
PY  - 2007///
CY  - Delhi
PB  - Pearson education
N1  - It includes index
ER  -