(3UMa HhfGHQJQ aj eUQ (B:s 1798-1701 - (3UdGM GdOjf, GdHSJGfjs ((3eUQ (B:s (3OGQ GdYQH ddHSJGfj ,s, 1971)
Keywords: (3eUQs; (3UMas; (3UMa HhfGHGQJQs