http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Làm thế nào để nuôi cá ao tăng thu nhập
Sách hướng dẫn sản xuất nông nghiệp và ngư nghiệp dành cho nhóm giới và sức khỏe sinh sản (Dự án VIE/97/P11)
freshwater fishes,fish ponds,fish-culture