@book{han-nom-d8-7wdg-8v98,
  title = {Khảo khóa văn 考課文},
  author = {Nguyễn, Doãn Thạc},
  publisher = {Bắc Ninh: Vietnam},
  url = {https://www.viet-dien.com/t/han-nom-d8-7wdg-8v98/5},
  pages = {5},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-07},
}