Tài liệu tham khảo WikiPedia: Dương Quang, Mỹ Hào //tools.wmflabs.org/geohack/geohack.php?language=v... http://www.gso.gov.vn/phuong-phap-thong-ke/danh-mu... http://niengiamhuyen.thongkehungyen.gov.vn https://baohungyen.vn/giai-bao-chi-toan-quoc-lan-t... https://thuvienphapluat.vn/van-ban/bo-may-hanh-chi...
