(3GdhSjW aj GdELQGAGJ GdLRGFjI GdchjJjI (B/s - (3YHO GdhgGH MheOs ((3GdchjJ (B:s (3dLfI GdJCdja hGdJYQjH hGdfTQ ,s, 1997)
. 375-371 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3GdchjJs