000 00323nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c320/-
040 _aET
100 _aPATHAK H.K
245 0 _aADVANCED DISCRETE MATHEMATICS
260 _bSHIKSHA SANITYA
_aMEERUT
300 _a696
500 _a23096
942 _cBK
999 _c29311
_d29311