NEELAMEGHAN, A.; GOPINATH, M. A. Fused Main Subjects. Journal of Information and Knowledge, [S. l.], v. 9, n. 3, p. 316–335, 1972. DOI: 10.17821/srels/1972/v9i3/49235. Disponível em: https://srels.org/index.php/sjim/article/view/49235. Acesso em: 18 apr. 2025.