19 1434 1 2013 12512







2

ɡ . 2011
. (77%)
: 2000
ɻ 2000 . ѡ 330 .
ۻ
ӻ ɡ . ɡ ۻ

..
ɻ
..
:
:
The Editor
Terms of use
Editorial
Mail Address
Advertising
Distribution
Subscriptions
Corrections
Copyright: 1978 - 2014 H H Saudi Research and Marketing LTD, All Rights Reserved And subject to Terms of Use Agreement .