(3CHMGK aj GdhMOI GdESdGejI (B/ s - (3aVd Gddg, eMeO MSjfs; (3SYjO, LhOJs; (3fajSI, eMehOs ((3OeTb (B:s (3GdYde h GdSdGe ddOQGSGJ h GdfTQ,s, 1997)
Keywords: (3GdhMOI GdESdGejIs; (3GdfXGe GdYGdej GdLOjOs; (3GdhMOI GdYQHjIs; (3GdeSdehfs; (3GdZQHs