(3GdGSJKeGQ hGdQbGHI GdTQYjI ai GdHfhc hGdeDSSGJ GdeGdjI GdESdGejI (B:s (3OQGSI abgjI hbGfhfjI heUQajI (B/s - (3YHOGdMejO eMehO GdHYdis ((3GdbGgQI (B:s (3ecJHI hgHI,s, 1991)
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGbJUGO GdESdGeis