(3GdCYeGd GdcGedI (B/ s - (3GdJcHGdj, NdjaIs ((3WQGHdS (B( (3djHjG (B) :s (3GdOGQ GdYQHjI ddcJGH,s, 1976)
Keywords: (3GdbUU GdYQHjIs; (3djHjGs