(3CSGSjGJ GdeQGLYI aj Xd HjFI fXe GdJTZjd GdEdcJQhfj ddHjGfGJ (B/s - (3eMeO, SejQ cGeds ((3GdEScfOQjI, eUQ (B:s (3OGQ GdLGeYI GdLOjOI,s, 1999)
(3HHdjhLQGajI (B: (3U(B. 321-333.s
Keywords: (3eQGLYI GdMSGHGJs -- (3eYGdLI HjGfGJs; (3GdeMGSHIs -- (3eYGdLI HjGfGJs