@BOOK{ Book!D - 99000237,
AUTHOR = "/ by A. C. Pingou...,Pigou",
TITLE = "Income; an introduction to economics",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه تهران",
SUBJECT = "Income",
URL = "/book/99000237/Income-an-introduction-to-economics/"}