TY  - BOOK
AU  - Jayawardene, C.J.A.
TI  - Discrete mathematics with applications in counting
SN  - 9789553111562
U1  - B1650 
PY  - 2018///
CY  - Nugegoda
PB  - Sarasavi pub.
KW  - BOOKS BOX B1650
KW  - MATHEMATICS
ER  -