http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tài liệu hội thảo khoa học đề tài " mô hình công nghiệp hóa, hiện đại hóa nông nghiệp, nông thôn huyện Ô Môn Tỉnh Cần Thơ
Ban Kinh tế TW và Tỉnh ủy - UBND tỉnh Cần Thơ
developing countries,agricultural aspects