(3MQjI GdQCj aj GdejOGf GdSjGSj aj Xd eHOCGdeTQhYjI (B:s (3HMK ebGQf aj GdOjebQGWjI GdZQHjI h GdESdGe (B/s - (3MeGO, CMeO LdGds ([(3Ohf ecGf(B] :s (3OGQ GdhaGA ddWHGYI h GdfTQ h GdJhRjY ,s, 1987)
Keywords: (3GdESdGes; (3Gdabgs; (3MQjI GdGYdGes