@book{han-nom-d8-tfy3-jq97,
  title = {Nam Sơn song khoá 南山窗課},
  author = {Ruan, Deda},
  url = {https://viet-dien.com/t/han-nom-d8-tfy3-jq97/43},
  pages = {43},
  note = {held by Columbia University Libraries},
  urldate = {2026-10-05},
}