(3ai XdGd GdQeGf (B: s (3QhGjI GfOdSjI (B/ s - (3WGQb Ydis; (3GHQGgje GdSYGajfs ((3HjQhJ (B: s (3GdeDSSI GdYQHjI ddWHGYI hGdfTQ , s, 1994)
Keywords: (3GdGOH GdGfOdSis; (3GdbUU GdGfOdSjIs; (3GdbUU GdGfOdSjI GdeJQLeIs