GOPINATH, M. A. Teaching of Classifying of Documents in a Library. Journal of Information and Knowledge, [S. l.], v. 28, n. 1, p. 1–4, 1991. DOI: 10.17821/srels/1991/v28i1/50482. Disponível em: https://srels.org/index.php/sjim/article/view/50482. Acesso em: 18 may. 2024.