(3aj GdbVjI GdCQOfjI GdYQHjI (B: s (3eLehYI h KGFb SjGSjg (B-1929 / s ((3YeGf (B:s (3GdOGQ GdYQHjI ddJhRjY h GdfTQ,s, 1985)
Keywords: (3JGQjN GdCQOfs; (3EeGQI TQb GdCQOfs