(3TDhf YQHjI (B: s c ((3JhfS (B: s (3eWHYI GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhe , s, 1986)
Keywords: (3adSWjf, GdUQGY GdYQHj GdESQGFjdjs