00312nam a2200109Ia 4500008004100000020001800041040002900059050002100088100001900109245004000128260003400168230104s9999||||xx |||||||||||||| ||und||  a9788120330436  cChuka University Library  aT 57.6bT33 2007  aTaha, Handy A. 0aOperations research:an introduction  aAsok K. GoshbNew Delhic2007