(3GdSdWI GdTQYjI GdSjGOI Hjf GdGMJdGd hGdGSJbdGd (B/s - (3HOQjI OGj s ((3GdGScfOQjI (B:s (3OGQ GdLGeYI GdLOjOI ,s, 2014)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdbGfhf GdOhdj GdYGes