(3GdCfJNGHGJ GdfjGHjI Hjf (B((3GdfXQjI hGdJWHjb(B) /s - (3YHOGdQDha GdQhGHOgs ((3YeGf (B:s {(3O(B.(3f(B}(3,s, 1992)
.114 (3HHdjhLQGajG(B: (3UaMGJs
(3GdfU HGddZI GdYQHjIs
Keywords: (3fXe GdCfJNGHs; (3GdbGfRf GdOSJhQis