Home › Authors › Helmi Youssef 👤 Helmi Youssef 4 books Books by Helmi Youssef Fundamentals of Additive Manuf Fundamentals of Additive Manufacturing 2024 Machining Technology and Opera Machining Technology and Operations 2020 Non-Traditional and Advanced M Non-Traditional and Advanced Machining Technologies 2020 Traditional Machining Technology 2020