(3Gdaf Gdjhe (B: s (3eONd Edi fXQjI GdJUhjQ h GdfMJ GdeYGUQjf (B/ s - (3QjO, gQHQJs; (3aJMj, eMeOs; (3YHOg, LQLSs ((3GdbGgQg (B:s (3OGQ GdeYGQa,s, 1981)
Keywords: (3Gdafs; (3GdfbO Gdafjs