(3GdbhGYO GdYGeI aj bGfhf GdYbhHGJ GdebGQf (B/s - (3EHQGgje, CcQe fTCJ,s 1920- ([(3ecGf GdfTQ ZjQ eMOO(B] : s [(3GdfGTQ ZjQ eMOO(B](3, s, 1998)
(3HHdjhLQGajI (B: (3UaMI (B443-460.s
Keywords: (3bGfhf GdYbhHGJs; (3GdbGfhf GdLfGFj GdebGQfs