(3GdMHS GdGMJjGWi (B:s (3YdeG hYedG (B/s - (3eYhV YHOGdJhGHs ((3GdGScfOQjI (B:s (3efTCI GdeYGQa,s, 1987)
(3jTJed Ydi OQGSI YdejI JWHjbjI dTQhW GdMHS GdGMJjGWi hVhGHWg hGfJgGFg hGdGaQGL GdhLhHi , HWdGf GdMHS GdeWdb , GdJYhjV Yf GdMHS GdHGWd CMcGe GdfbV HTCfg ef SfI (B1931 (3hMJi SfI (B1986 (3hGdJYdjeGJ GdYGeI ddfjGHGJ(B.s
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3GdMHS GdGMJjGWjs