(3GdehShYI GdLfGFjI GdGQOfjI (B:s (3bVGA GdJejjR GdGQOfi (B: (3bVGA GdfbV GdeUQi (B: (3Gdabg ai eUQ hGdGQOf (B/s - (3SYjO GdacgGfi s ([S.N] : (3GdOGQ GdYQHjI ddehShYGJ , s, 1973)