000 00284nam a2200097Ia 4500
008 190711s9999 xx 000 0 und d
100 _aGUYOTA, P.K.
245 0 _aPROBLEMS IN OPERATION RESEARCH (PRINCIPLE / SOLUTION)
260 _aNEW DELHI
_bS. Chand Publishing
_c2009
942 _cBK
_2DDC
999 _c36998
_d36998