http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Xác suất thống kê: Dùng cho sinh viên các ngành sinh học, nông-lâm-ngư nghiệp, kinh tế và quản lý kinh tế, tâm lý-giáo dục học