(3GdeHJcQhf EcJTGaGJ GdYUQ h ENJQGYGJg h EfLGRGJg (B/ s - (3OjHhdO, Lhfs; (3GdaGQY, TMOgs ((3YeGf (B:s (3OGQ GdHTjQ ddfTQ h GdJhRjY,s, 1993)
Keywords: (3GdENJQGYGJs; (3GdYdhe GdJWHjbjIs