(3GHhfhGS (B/ s - (3GdjGS YTis ([S.N] : (3OGQ GdcJGH GddHfGfi , s, 1973)
Keywords: (3GdGOH GdYQHis; (3GHhfhGS, GdMSf Hf gGfis; (3GdOhdI GdYHGSjI GdKGfjIs; (3GdGOHGA GdYQHs