(3GdhSGFd GdMOjKI dJfejI GdPGcQI (B/ s - (3fbQT, GMeO YHOGdbGOQs ([(3ZjQ eYQa(B] : s [(3ZjQ eYQa(B](3, s, 2011)
Keywords: (3GdPGcQI(B. s; (3GdYbd (B((3Yde faS(B). s