http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chuyên đề ứng dụng số phức trong giải toán trung học phổ thông
Võ Thanh Văn ( chủ biên ); Lê Hiển Dương, Nguyễn Ngọc Giang