1. English business letters :

Author:

Library: Center and Library of Islamic Studies in European Languages (Qom)

4. ‎English business letters

Author:

Library: Central Library of Astan Quds Razavi-Hall of Foreign Books (Khorasan Razavi)

Subject: Commercial correspondence

Classification :
808
.
0666
51
K52E

5. English business letters

Author:

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: زبان انگلیسی تجاری,نامه‌نگاری انگلیسی

Classification :
PE
۱۱۱۵
/
ک
۹
م
۲ ۱۳۴۵

12. ‎Modern English business letters

Author:

Library: Central Library of Astan Quds Razavi-Hall of Foreign Books (Khorasan Razavi)

Subject: Commercial correspondence

Classification :
808
.
06665
K52M

13. Modern English business letters

Author:

Library: Library of the Faculty of Foreign Languages and Literature (Tehran)

Subject: Commercial correspondence

Classification :
HF
5726
.
K55
1970