(3efGgL h CSGdjH GdHMK GdYdej (B: s (3GdfXQjI h GdJWHjb (B/ s - (3YdjGf, QHMj eUWais; (3Zfje, YKeGf eMeOs ((3YeGf (B:s (3OGQ UaGA ddfTQ h GdJhRjY,s, 2000)
Keywords: (3GdCHMGKs; (3CSGdjH GdHMKs