(3GdLZQGajI GdRQGYjI (B/s - (3GdHQGRj,fhQj Ndjd s; (3GdeTgOGfj ,GHQGgje YHO GdLHGQ s ((3HZOGO(B:s (3hRGQI GdJYdje GdYGdj hGdHMK GdYdej ,s, 1980)
Keywords: (3GdLZQGajI GdRQGYjI s