14 1433 6 2012 12213







..
3 ɡ ǡ . ܫ ػ
ʡ 仡 21 .
:
( ) . ӡ
: ϻ
:
:
: 13 ʻ
..
:
..
..
: ..
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 .