(3Jbjje GdehXa GdYGe ddMhGaR aj GdCLgRI GdMchejI GdCQOfjI (B: s (3OQGSI ejOGfjI ebGQfI (B/ s - (3jGZj, eMeO YHO GdaJGMs ((3YeGf (B:s (3GdefXeI GdYQHjI ddYdhe GdEOGQjI,s, 1986)
Keywords: (3GdEOGQI GdYGeIs; (3GdehXahfs