(3YeGQI GdeSLO GdMQGe hGdeSLO GdfHhi ai GdYgO GdSYhOi (B/ s - (3YHOGddWja Hf YHOGddg OgjTs ((3GdQjGV (B: s (3ecJHI Gdedc agO GdhWfjI , s, 1999)
Keywords: (3GdeSGLOs; (3GdeSLO GdMQGes; (3GdYeGQI GdGSdGejI (B- (3GdSYhOjIs