@book{han-nom-d8-5zj3-fg23,
  title = {Công văn tâm nang diệu ngữ 攻文心囊妙語},
  url = {https://www.viet-dien.com/t/han-nom-d8-5zj3-fg23/1},
  pages = {1},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-05},
}