(3GdeSFhdjI GdLfGFjI Yf GSJYeGd GdefTWGJ aj GdeSGHbGJ GdQjGVjI (B/s - (3cHjT, eMehO(B.s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdefTWGJ GdQjGVjIs -- (3bhGfjf hJTQjYGJs; (3GdeSFhdjI GdLfGFjIs