(3Odjd GdQSGFd GdLGeYjI GdehOYI ef GdLGeYGJ GdYQHjI aj eQcR GdGjOGY aj ecJHI GdLGeYI GdGQOfjI (B24 / s - (3ecJHI GdLGeYI GdCQOfjI (B. (3OGFQI GdeYdheGJ h GdOQGSGJs ((3YeGf (B:s (3GdLGeYI GdGQOfjI,s, 1999)
Keywords: (3GdQSGFd GdLGeYjIs; (3GdOQLGJ GdYdejIs