(3GdTaGA aj GdMHI GdShOGA Hjf GdJLQHI hGdHQgGf (B/s - (3GdWjH, WjH YHO Gddgs ((3GdchjJ (B:s [(3O(B. (3f(B.](3,s, 1987)
Keywords: (3GdMHI GdShOGAs; (3GdYdGL GdfHGJjs; (3GdfHGJGJ GdWHjIs