(3JYOO GdRhLGJ aj GdTQjYI GdESdGejI (B/s - (3YHO GdfGUQ Jhajb GdYWGQs ((3GdbGgQI (B:s (3eDSSI GdHSJGfj ddWHGYI,s, 1988)
. (3HHdjhLQGajG(B: (3UaMI(B192.s
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
Keywords: (3JYOO GdRhLGJs -- (3GdESdGes