@book{han-nom-d8-kk04-7q33,
  title = {Địa lý quyển 地理卷},
  url = {https://www.viet-dien.com/t/han-nom-d8-kk04-7q33/6},
  pages = {6},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-06},
}