(3GdJdHS HGdLQjeI (B: s (3OQGSI ddJdHS HGdefcQ GdehLH ddMSHI aj Gdabgjf GdESdGej hGdhVYj (B/ s - (3YHO GdaJGM eUWai GdUjaj(B.s ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJdHS HGdLQjeIs; (3GdbGfhf GdLfGFjs