15 1432 16 2011 11949







.
ɡ ʡ ʡ ͡ ֡
:
ɡ ݡ ɡ ǡ
:
2011
:
:
:
:
:
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 .