(3GdbjGeI hGdMjGI HYO GdehJ hdbGA QH GdYGdejf (B/s - (3YRhR, gGTe Ybjds ((3LOI (B- (3GdeedcI GdYQHjI GdSYhOjI (B:s (3OGQ GdbHdI ddKbGaI GdESdGejI ,s, 1986)
Keywords: (3GdHgGFjIs -- (3GdMjGI HYO GdehJs; (3GdbjGeI Yf GdHgGFjjfs