(3GdUhQjI ai GdbGfhf GdeOfi GdeUQi Hjf GdfXQjI hGdJWHjb (B/ s - (3QGaJ eMeO GMeO MeGOs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1987)
Keywords: (3GdbGfhfs; (3GdbGfhf GdeOfis; (3GdbGfhf GdebGQfs