RANGANATHAN, S. R.; BHATTACHARYYA, G. Hospitality in the Notational Plane. Journal of Information and Knowledge, [S. l.], v. 3, n. 2, p. 113–167, 1966. DOI: 10.17821/srels/1966/v3i2/49143. Disponível em: https://srels.org/index.php/sjim/article/view/49143. Acesso em: 17 apr. 2025.