RANGANATHAN, S. R. Colon Classification for Economics in the Light of the Idea of Adjunct Main Subject. Journal of Information and Knowledge, [S. l.], v. 9, n. 3, p. 353–383, 1972. DOI: 10.17821/srels/1972/v9i3/49240. Disponível em: https://srels.org/index.php/sjim/article/view/49240. Acesso em: 19 apr. 2025.