@BOOK{ Book!D - 100913467,
AUTHOR = "/ edited by Rhona C. Free",
TITLE = "21st century economics",
LIBRARY= "کتابخانه تخصصی کارآفرینی (دانشگاه تهران)",
SUBJECT = "Economics -- Handbooks, manuals, etc",
URL = "/book/100913467/21st-century-economics/"}