@BOOK{ Book!D - 103049353,
AUTHOR = "",
TITLE = "Karl Popper",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه کردستان",
SUBJECT = "Popper, Karl R.(Karl Raimund),1902-1994",
URL = "/book/103049353/Karl-Popper/"}