000 00315nam a22001337a 4500
003 OSt
020 _a2021
100 _aRao, Shanker G
245 _aDiscrete Mathematical Structures
250 _a3rd
260 _aNew Delhi
_bNew Age International Publishers
_c2021
700 _aRao, Shanker G
942 _2ddc
_cBK
999 _c895939
_d895939