TY  - BOOK
AU  - Kolman, Bernard 
AU  -  Busby, Robert
AU  -  Ross, Sharon C.
TI  - Discrete mathematical structures/ 
SN  - 9789332549593
U1  - 511.1 
PY  - 2013///
CY  - Noida
PB  - Pearson education, 
KW  - Mathematics
ER  -