RANGANATHAN, S. R.; NEELAMEGHAN, A. Book Science:Depth Classification. Journal of Information and Knowledge, [S. l.], v. 1, n. 2, p. 97–132, 2014. DOI: 10.17821/srels/1964/v1i2/40110. Disponível em: https://srels.org/index.php/sjim/article/view/40110. Acesso em: 17 apr. 2025.