http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Giáo trình dùng cho sinh viên trường Cao đẳng Sư phạm
Khái niệm cơ bản về sản xuất cơ khí. Các phương pháp gia công không phoi, gia công bằng cắt gọt kim loại