000 00329nam a2200121Ia 4500
008 220706s9999 xx 000 0 und d
100 _a2013 Reg
245 0 _aDiscrete Mathematics
260 _bAnna University
_c2019 Nov-Dec
650 _aMA6566
856 _uhttp://library.psgitech.ac.in/Question_Bank/QB139.pdf
942 _cQB
999 _c25731
_d25731