(3GdeQCI GdYQHjI aj adSWjf (B:s (3eYGfGI hfVGd (B/ s - (3ejShf GdhMjOjs ((3GdbOS (B:s (3LeYjI GdOQGSGJ GdYQHjI (B,s, 1985)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdMQcI GdfShjI s; (3fVGd GdfShjI s; (3GdbVjI GdadSWjfjI s