000 00271nam a2200121Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a658.403
082 _bGOE/O
100 _aB S
_bGOEL
245 0 _aOPERATION RESEARCH
260 _aMEERUT
260 _bPRAGATHI PRAKASHAN
999 _c7584
_d7584