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