(3GdYde GdMOjK aj GdeLJeY GdMOjK (B/ s - (3UQha,aDGO,s ((3HjQhJ,(B[(3dHfGf(B] : s (3ecJHI dHfGf,s, 1966)
(3GdeMJhjGJ (B: (3agQSs (3GSeGA GdGYdGe hGdHdOGf hGdeDSSGJ hGdeDJeQGJ GdYdejI hGdKbGajI GdhGQOI aj gPG GdcJGH(B.s
(3jJVef GQLGYGJ HHdjhZQGajI HGddZI GdYQHjI hGdGLfHjI(B.s
Keywords: (3GdYdhes -- (3JGQjNs