(3GdCeQGV GdeYOjI (B: s (3OQGSI YdejI dEfJTGQ GdCeQGV HGdYOhi h WQb GdhbGjI efgG (B/ s - (3HjQe, YHO GdMSjfs ((3HjQhJ (B:s (3OGQ ecJHI GdMjGI,s, 1967)
Keywords: (3GdYOhis; (3GdCeQGV GdeYOjIs