(3OQGSGJ aj CSGdjH JOQjS GdJQHjI GdGLJeGYjI hGdhWfjI (B/s - (3CHh SQMGf, YWjI YhOIs ((3YeGf(B-(3GdCQOf (B:s (3OGQ GdNdjL ddfTQ hGdJhRjY,s (3OGQ GdhVGM,s, 2000)
(3HHdjhLQGajI (B: (3U(B. 355-364.s
Keywords: (3GdYdhe GdGLJeGYjIs -- (3OQGSI hJYdjes; (3GdJQHjI GdhWfjIs -- (3OQGSI hJYdjes