http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bài giảng côn trùng nông nghiệp: Sâu hại trên các cây trồng chính ở Đồng Bằng Sông Cữu Long
Trường Đại học Cần Thơ - Khoa Nông Nghiệp
Insect pests,Insects as carriers of diseases,Plant diseases,Plants, protection of