(3efRd GdehJi (B/ s - (3TJGjf, Q (B. (3ds; (3Gdabj, fgdIs ((3GdbGgQI (B:s (3fgVI eUQ ddWHGYI h GdfTQ h GdJhRjY,s, 1998)
Keywords: (3COH GdCWaGds; (3GdbUU GdYQHjIs