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James E. Duffy
Mr. Duffy is a graduate of Indiana State University with degrees in Technology Education and Electronics Technology. He has written several very successful textbooks, workbooks, and video scripts a...lihat lebih banyakMr. Duffy is a graduate of Indiana State University with degrees in Technology Education and Electronics Technology. He has written several very successful textbooks, workbooks, and video scripts adopted and used in public schools across the U.S. He is a father of three and a grandfather to five beautiful grandchildren.lihat lebih sedikit