(3Yf gPG hPGc (B:s (3ebGdGJ (B/s - (3GdbUjHj, ZGRj YHO GdQMef,s 1359-1431 (3gLQjs ((3GdQjGV (B:s (3OGQ GdhWf ,s, 1978)
Keywords: (3GdCOH GdYQHjs -- (3eLehYI ebGdGJ YQHjI s