(3GdYdGbGJ GdOhdjI aj GdTQjYI GdESdGejI (B:s (3OQGSI abgjI ebGQfI (B/s - (3TheGf, YHGSs ((3GdbGgQI (B:s (3GdOGQ GdKbGajI ddfTQ,s, 1999)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajI (B: (3U(B. 117-120.s
Keywords: (3GdESdGe hGdYdGbGJ GdNGQLjIs; (3GdfXGe GdSjGSj aj GdESdGes