NAGPAUL, A. N. Patents as Source of Information. Journal of Information and Knowledge, [S. l.], v. 18, n. 1, p. 27–36, 1981. DOI: 10.17821/srels/1981/v18i1/49341. Disponível em: https://srels.org/index.php/sjim/article/view/49341. Acesso em: 24 apr. 2025.