@BOOK{ Book!D - 103402653,
AUTHOR = "/ Michael Swan",
TITLE = "Basic English usage Exercises",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه شهيد چمران",
SUBJECT = "English language- Errors of usage- Dictionaries",
URL = "/book/103402653/Basic-English-usage-Exercises/"}