00511nam a2200145Ia 4500008004100000020001800041040002900059050002100088100002700109245004200136260003800178942000700216952012500223999001700348230222s9999||||xx |||||||||||||| ||und|| a0-07-293586-3 cChuka University Library aT 57.6bM58 1993 aMitchell, George96882 4aThe practice of operational research  aJohn Willey &SonsbNew Yorkc1993 cBK 00102lcc40708LGLaCHKbCHKcGENd2023-02-22l0oT 57.6 .M58 1993p23558/2001r2023-02-22 00:00:00t2w2023-02-22yBK c11669d11669