@book{han-nom-d8-kk04-7q33,
  title = {Địa lý quyển 地理卷},
  url = {https://viet-dien.com/t/han-nom-d8-kk04-7q33/15},
  pages = {15},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-13},
}