JAYARAJAN, P. Change of Basic Subjects in DC Edition 17. Journal of Information and Knowledge, [S. l.], v. 7, n. 1, p. 33–38, 1989. DOI: 10.17821/srels/1970/v7i1/48819. Disponível em: https://srels.org/index.php/sjim/article/view/48819. Acesso em: 1 dec. 2024.