PETER OHLY, H. Challenges of Knowledge Organization and Isko. Journal of Information and Knowledge, [S. l.], v. 50, n. 6, p. 807–818, 2013. DOI: 10.17821/srels/2013/v50i6/43829. Disponível em: https://www.srels.org/index.php/sjim/article/view/43829. Acesso em: 19 sep. 2025.