(3LQGFe GdfUH hGMcGe GdTjc hNjGfI GdGeGfI (B/ s - (3eUWai eLOi gQLIs ([S.N] : (3aDGO gGTe GdcJHi , s, 1991)
Keywords: (3GdbGfhfs; (3GdTjcGJs; (3GdbGfhf GdeOfis