b - (3YHO Gddg jhSa GdZfjes; (3eMeO Uai GdOjf CHhGdYRs ((3GdchjJ (B: s (3eQcR GdHMhK hGdOQGSGJ GdchjJjI,s, 1997)
. 301-293 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdMOhO s -- (3bGfhf Ohdjs -- (3GdchjJs; (3GdbGfhf GdOhdj GdYGes