(3GdJMbjb GdLfGFj hegGe GdeMbb aj LQjeI GdbJd (B/ s - (3HOQ GdOjf, YHO GdhgGH eMeO s ((3GdQjGV (B:s (3YHO GdhgGH eMeO HOQ GdOjf,s, 1987)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
(3HHdjhLQGajI (B: (3UaMI (B413-421.s
Keywords: (3LQGFe GdbJd s -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjIs; (3GdJMbjb GdLfGFj s -- (3GdSYhOjIs