66 (3hUjI ef hUGjG GdQShd Udi Gddg Ydjg hSde ddfSGA (B/ s - (3YHO GdQMje, eQhGfs ((3HjQhJ (B: s (3ecJHI GdfgVI GdESdGejI, s, 1996)
Keywords: (3GdCMGOjK(B.s; (3GdhUGjG(B.s; (3GdSjQI GdfHhjI(B.s