LAHIRI, A. Towards an Information System on Environment. Journal of Information and Knowledge, [S. l.], v. 15, n. 1, p. 8–12, 1978. DOI: 10.17821/srels/1978/v15i1/50531. Disponível em: https://srels.org/index.php/sjim/article/view/50531. Acesso em: 13 jul. 2025.