More About the Author
Ahmed Khaled Tawfik Farraag (Arabic: أحمد خالد توفيق) (born June 1962) is an Egyptian author, also known as Ahmed Khaled Tawfik or Ahmed Khaled Towfik.
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High voltage direct current transmission : converters, systems and DC grids 0 out of 5 stars based on 0 ratings.