(3eda GdKeGfjfGJ Yf MQH GdeNGHQGJ (B/s - (3GdLRGFQj, SYjO, (B1913-1981s ((3HjQhJ (B:s (3OGQ GdLjd,s (3OeTb (B:s (3OGQ OeTb ddWHGYI hGdfTQ hGdJhRjY,s, 1989)
Keywords: (3GdeNGHQGJs; (3GdLGShSjIs