(3GdMjd hGdecGFO (B:s (3aj OfjG GdQLGd hYGde GdfSGA (B/s - (3Sdje, eMeO EHQGgjes ((3eUQ (B:s (3OGQ GdWdGFY ddfTQ hGdJhRjY ,s, 1997)
Keywords: (3GdfhGOQ GdYQHjIs; (3GdCgGLj hGdacGgGJ GdYQHjIs