(3GdabI GdefgLj Ydj ePgH GdGeGe GdTGaYj QMeg Gddg JYGdi(B/s - (3GdNf,eUWais; (3GdHZG,eUWais; (3GdTQHLj,Ydjs ((3GjQGf(B:s (3fTQ GMSGf ddfTQ hGdJhRjY,s, 2001)
(3aj GdeYGhVYGJ hGdeYGedGJ hGdLfGjGJ hGdMOhOhGdLgGO hGdGeGeI GdYXei heGjJHYgGs
Keywords: (3GdabI GdGSdGejs -- (3GdePgH GdTGaYjs