(3GKQ cJGH GdOhGhjf aj GdJOhjf GdJGQjNj eY OQGSI JWHjbg dcJGH JLGQH GdGee deSchjg GdeJhaj SfI (B421(3g (B/ s - (3GMeO, YHOGdSJGQ MeOhfs; (3GdOhQj,NVQ LGSes; (3LGeYI GdehUd (B. s (3cdjI GdGOGH (B. s (3bSe GdJGQjN s (1983)
(3GdfU HGddZI GdYQHjI ; GdeSJNdU HGddZI GdYQHjI hGdGfcdjRjIs
Keywords: (3GdJGQjN GdGSdGejs