TY  - BOOK
AU  - Biswal , Purna Chandra  .
TI  - Discrete mathematics and graph theory / 
SN  - 978-81-203-4691-8
U1  - BV:(B) 
PY  - 2013///
CY  - New Delhi : 
PB  - PHI Learning Private Ltd. , 
KW  - Mathematics- Discrete
ER  -