(3GdKOjjGJs - (3TdT(B. (3UHMj YeQGfs ((3eDSSI GdeLdS GdYQHj ddYdhe hGdWH hGdJcfhdhLjGs (3YeGfs, 1997)
Keywords: (3GdYdhe GdWHjYjI s; (3GdKOjjGJ s