@BOOK{ Book!D - 99056023,
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/99056023/Concepts-and-comments/"}