TY  - BOOK
AU  - Singh, S.B,
TI  - Combinatorics and graph theory 
SN  - 978-81906
U1  - 511.6 
PY  - 2018///
CY  - Ahmedabad
PB  - Khanna Publication
KW  - Combinatorics2
KW  - Planar graph
KW  - Matrix representation of graphs
KW  - Enumeration
ER  -