(3cjajI UdGI GdfHi Udi Gddg Ydjg hSde hhLhH GdUdGI ai GdLeGYI (B/ s - (3YHOGdYRjR Hf YHOGddg Hf HGRs ((3GdbGgQI (B: s (3ecJHI GdSfI,s, 1993)
Keywords: (3GdUdGIs; (3GdWgGQIs; (3GdhVhAs