(3cja JfLM aj GdZQHI eKd gDdGA (B/ s - (3ZQjH, YHO GdYRjRs ((3GdbGgQI (B:s (3OGQ GdafjI ddWHGYI h GdfTQ,s, 1986)
Keywords: (3GdgLQIs; (3GdegGLQhfs