@BOOK{ Book!D - 90154211,
AUTHOR = " by Rudolf Flesch.",
TITLE = "The art of clear thinking",
LIBRARY= "کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Logic.,Problem solving.,Study skills.",
URL = "/book/90154211/The-art-of-clear-thinking/"}