(3JQGKfG GdYQHi ai GdGOH GdeSQMi GdMOjK (B/ s - (3OQOjQi (B: (3GHQGgje s ((3GdQjGV(B:s (3YeGOI TDhf GdcJHGJ (B: (3LGeYI GdQjGV (B:s, 1980)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B((3U(B221-232 s
Keywords: (3GdeSQMjI GdYQHjI s -- (3JGQjN h fbO s