(3JMdjd GdSGSI GdJYdjejI ai eUQ hhGOi Gdfjd (B/ s - (3bfOjd (B: (3GeGfis ((3YeGf (B: s (3efJOi GdacQ GdYQHi (B: s, 1989)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdJYdjes -- (3JNWjWs -- (3GdYGde GdYQHis; (3GdJYdjes -- (3eUQs