http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nội dung số này trình bày: PETROVIETNAM trao 40 tỉ đồng xây dựng quỹ vắc-xin phòng chống covid-19; Thanh Hóa luôn đồng hành cùng PETROVIETNAM; PVFCCo tăng tiêu thụ phân bón trong đại dịch; kỹ sư trẻ dân thân, học hỏi từ thực tế