1. Persuasive communication
Author: / [by] Erwin P. Bettinghaus
Library: Central Library and Documents Center of Allameh Tabatabaei University (Tehran)
Subject:
Classification :
BF637
،.
P4
,
B47
2. <The> nature of proof
Author: / [by] Erwin P. Bettinghaus
Library: Central Library and Documents Center of Allameh Tabatabaei University (Tehran)
Subject:
Classification :
PN4121
،.
B448
1972
