http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cải thiện máy bơm ly tâm nội hóa
Viện Đại học Cần Thơ - Trường Cao Đẳng Nông Nghiệp
agricultural machinery,farm equipment,pumping mahinery