@BOOK{ Book!D - 100792150,
AUTHOR = "/ by Hulon Willis",
TITLE = "Introductory language study",
LIBRARY= "کتابخانه دانشکده زبان ها و ادبیات خارجی (دانشگاه تهران)",
SUBJECT = "English language -- Study and teaching (Higher)",
URL = "/book/100792150/Introductory-language-study/"}