NEELAMEGHAN, A. Primary Basic Subject by Distillation. Journal of Information and Knowledge, [S. l.], v. 10, n. 2, p. 166–172, 1973. DOI: 10.17821/srels/1973/v10i2/49300. Disponível em: https://srels.org/index.php/sjim/article/view/49300. Acesso em: 17 apr. 2025.