(3GdacQ GdSjGSj aj GdESdGe (B:s (3TNUjGJ hePGgH (B/s - (3TQa, eMeO LdGds; (3eMeO, Ydj YHO GdeYWjs ((3GdEScfOQjI, eUQ (B:s (3OGQ GdeYQaI GdLGeYjI,s, 1986)
(3jTJed Ydi HHdjhLhLQGajI(B.s
Keywords: (3GdCMcGe GdSdWGfjIs; (3GdESdGes -- (3LhGfH SjGSjIs; (3GdfXGe GdSjGSj aj GdESdGes