(3GdGfSGf GdcGed aj GdGSdGe (B: s (3OQGSGJ hfUhU ZjQ efThQI Gda HjfgG hJQLegG hMbbgG (B/ s - (3HOhj, YHO GdQMef, s 1917-2002(3, s ((3GdchjJ (B: s (3hcGdI GdeWHhYGJ (B976.s, 1976)
(3jJVef GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdGSdGe hGdGfKQhHhdhLjG(B.s; (3GdGfSGf aj GdbQBf(B.s