(3GdGdYGH GdfRGdjI (B/ s - (3OjRfi, hGdJs ([S.N] : (3eQcR GdGgQGe ddJQLeI hGdfTQ , s, 1989)
Keywords: (3GdGWaGds; (3GdGdYGH GdQjGVjI ddGWaGds