000 00274nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _asunstar
_911829
245 0 _aExam- scanner 6th cs
260 _bNew Delhi
_c2014
300 _aXX, 916p.
_b0
650 _aOPERATION RESEARCH
999 _c137353
_d137353