(3JGQjN hSGFd GdGJUGd hJcfhdhLjGJg GdMOjKI (B/s - (3TYHGf,aDGO,UHWj,YHjOI s; (3HQbhb(B,(3YHO GdQMeGfs ((3GdLRGFQ (B:s (3OGQ GdNdOhfjI ddfTQ h GdJhRjY ,s, 2011)
(3HHdjhZQGajG (B: (3U(B. 291- 300 s
Keywords: (3JGQjN s; (3hSGFd GdGJUGds