(3GdUhQI GdafjI ai GdJQGK GdfbOi hGdHdGZi YfO GdYQH (B/ s - (3LGHQ YUahQs ((3HjQhJ (B: s (3GdeQcR GdKbGai GdYQHi , s, 1992)
Keywords: (3GdGOH GdYQHis; (3GdHdGZI GdYQHjIs; (3JGQjN hfbOs