(3CSQGQ GdHdGZI aj Yde GdHjGf (B/ s - (3GdLQLGfj, CHh HcQ YHO GdbGgQ Hf (B....s; (3QVG, eMeO QTjOs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1988)
Keywords: (3GddZI GdYQHjIs; (3bhGYO GddZIs