(3GdWYf deUdMI GdbGfhf (B/ s - (3GdeTGgOj, GHQGgje, s 1928- ([(3HZOGO, GdYQGb(B] : s (3TQcI GSjG ddWHY hGdfTQ GdeMOhOI (B990.s, 1990)
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GSJFfGa GdGMcGes -- (3GdYQGb(B.s; (3GdWYf aj GdGMcGe(B.s; (3fbV GdGMcGe(B.s