@BOOK{ Book!D - 94455053, AUTHOR = "", TITLE = "Cambridge IELTS", LIBRARY= "کتابخانه مرکزی و مرکز نشر دانشگاه صنعتی بیرجند", SUBJECT = "International English Language Testing System,English language--Examinations--Study guides,English language--Textbooks for foreign speakers", URL = "/book/94455053/Cambridge-IELTS/"}