(3eda GdKeGfjfGJ Yf CYeGd GdeNGHQGJ (B/s - (3GdLRGFQj, SYjO, (B1913-1981s ((3HjQhJ (B:s (3OGQ GdLjd,s, 1992)
Keywords: (3GdeNGHQGJs; (3GdLGShSjIs