16 1433 8 2012 12215







:
ɡ ѡ .
ȡ ɡ ɡ
:
:
. :
..
:
:
ܫ ػ:
:
..
ֻ
The Editor
Terms of use
Editorial
Mail Address
Advertising
Distribution
Subscriptions
Corrections
Copyright: 1978 - 2017 H H Saudi Research and Marketing LTD, All Rights Reserved And subject to Terms of Use Agreement .