@BOOK{ Book!D - 99025359,
AUTHOR = "/ Patricia Ackert,Ackert",
TITLE = "Concepts and comments",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه تهران",
SUBJECT = "English Language -- Textbooks for foreign speakers",
URL = "/book/99025359/Concepts-and-comments/"}