(3LQGFe GdTGFYGJ hELQGAGJgG (B/s - (3OcJhQ Wg CMeO Wg eJhdjs ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] (3,s, 1997)
. 379-376(3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdbGfhf GdLfGFjs