(3GdHOh (B/ s - (3hGJ , ehfch eQj s; (3NhQTjO , GHQGgje s; (3jhfS , YHO GdMejO s; (3YKeGf , MSf s ((3HjQhJ (B: s (3OGQ GdcJGH GddHfGfj , s, 1989)
Keywords: (3GdHOGhIs