(3cja JJYde af GdVQH Ydi GdGdI GdcGJHI GdYQHjI HGdWQb GdMOjKI (B/ s - (3LQGOI, ceGd eSYhO, s ((3HZOGO (B[(3GdYQGb(B] : s (3GdLGeYI GdeSJfUQjI (B978..s, 1978)
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B238-239.s
Keywords: (3GdBdGJ GdcJGHjI(B.s