1. How to do library research
Author: by Robert B. Downs, assisted by Elizabeth C. Downs
Library: Library of Faculty of Psychology and Educational Sciences University of Tehran (Tehran)
Subject: Reference books-Bibliography,Libraries - Handbooks, manuals, etc
Classification :
Z
,
1035
,.
D63
2. How to do library research
Author: Downs, Robert Bingham, 3091-
Library: Central Library and Documents Center of Al-Zahra University (Tehran)
Subject: ، Reference books - Bibliography,، Libraries - Handbooks, Manuals, etc
Classification :
Z
1035
.
1
.
D68
1975
3. How to do library research
Author: / Robert B. Downs, Clara D. Keller.,داونز,Downs
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: مراجع, -- کتابشناسی,کتابخانهها -- دستنامهها
Classification :
Z
۱۰۳۵
/
۱
/
د
۲
ھ
۲ ۱۳۵۴
