(3GdYQH hGdYde aj YUQ GdGSdGe GdPgHj hOQGSGJ YdejI CNQi (B/ s - (3GdWhjd,Jhajb,s ((3GdbGgQI(B[(3eUQ(B] : s (3OGQ GdfgVI GdYQHjI,s, 1968)
(3jJVef cTGa HCge GdGYdGe GdhGQOI HGdcJGH(B.s
(3jJVef GQLGYGJ HHdjhZQGajI(B.s
Keywords: (3GdYdhe(B-s -- (3JGQjNs