(3bUI GdShjS BNQ GdeYGQc aj YUQ GdYeGdbI (B/ s - (3gjcd, eMeO MSfjfs ((3HjQhJ (B:s (3TQcI GdeWHhYGJ ddJhRjY h GdfTQ,s, 1983)
Keywords: (3JGQjN eUQs; (3GdJGQjN GdSjGSjs; (3MQH GdShjS (B1956s