b - (3UdGM YHO GdHOjY TdHjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1983)
(3jTJed Ydj edGMbs
. 486-469 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfRGYGJ Hjf GdOhds; (3GdbGfhf GdOhdj GdYGes