(3BKGQ eMeO GdHTjQ GdGHQGgjej (B/s - (3LeYjI GdYdeGA GdeSdejfs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1985)
Keywords: (3GdUQGY Hjf GdGSdGe h CYOGFgs; (3LeYjI GdYdeGA GdeSdejf s; (3GdGbWGQ GdGSdGejI s