(3YdGbI GdJQHI HGdeGA h GdfHGJ (B/ s - (3GdfYjej, SYO Gddg YHO Gddgs ((3GdehUd (B:s (3hRGQI GdJYdje GdYGdj h GdHMK GdYdej,s, 1990)
Keywords: (3GdJQHIs; (3GdRQGYIs; (3NUhHI GdJQHIs