@BOOK{ Book!D - 77777565,
AUTHOR = "Machol, Robert Engel",
TITLE = "Elementary systems mathematics; linear programming for business and the social sciences",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Linear programming",
URL = "/book/77777565/Elementary-systems-mathematics-linear-programming/"}