1. A brief guide to sources of scientific and technical information
Author: / Saul Herner.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: علوم -- خدمات اطلاع رسانی --راهنماها,Science -- Information services -- Directories.,تکنولوژی -- خدمات اطلاعرسانی-- راهنماها,Technology -- Information services --Directories.
Classification :
Q
۲۲۳
/
ھ
۴
ب
۴ ۱۳۴۹
2. A brief guide to sources of scientific and technical information
Author:
Library: Library of Faculty of Psychology and Educational Sciences University of Tehran (Tehran)
Subject: Science - Information services - Directories,Technology - Information services - Directories
Classification :
Q
,
223
,.
H42
