primary source
一次情報
Examples
Monograph
Others
Archival research
Historiography
Source criticism
Source literature
Source text
Historical document
Secondary source
Tertiary source
Original research
UNISIST model
Scientific journalism
/suto3/google.iconprimary source
/suto3/Google画像検索.iconprimary source
/suto3/Google定義検索.icon primary source
/suto3/wikipedia.iconprimary source
/suto3/weblio.icon primary source
/suto3/kotobank.icon primary source
/suto3/jisho.icon primary source