@book{han-nom-d8-xc6s-ng86,
  title = {Địa lý gia truyền 地理家傳},
  url = {https://viet-dien.com/t/han-nom-d8-xc6s-ng86/28},
  pages = {28},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-30},
}