(3GdhLjR aj bGfhf GdELQGAGJ GdLfGFjI (B/s - (3YdGA GdOjf QGTOs ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] (3,s, 1999)
(3dWdHI bSe GdVHGW GdeJNUUjf HcdjI GdTQWIs
. 156-152 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs