@BOOK{ Book!D - 90127998,
AUTHOR = " by Peter Berck, Knut Sydsæter.",
TITLE = "Economists' Mathematical Manual",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Economics.",
URL = "/book/90127998/Economists-Mathematical-Manual/"}