(3bUI GdShjS (B:s (3GNQ GdeYGQc ai YUQ GdYeGdbI (B/ s - (3eMeO MSfjf gjcds ((3TQcI GdeWHhYGJ ddJhRjY hGdfTQ , s, 1985)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3JCeje bfGI GdShjSs; (3GdGYJOGA GdKdGKi Ydi eUQ (B1956s; (3LeGd YHOGdfGUQs