HANCHINAL, S. M.; RACHH, R. R. Optimizing Processing of Multiple Queries. International Journal of Engineering and Computer Science, india, v. 6, n. 10, p. 22806–22812, 2017. Disponível em: http://ijecs.in/index.php/ijecs/article/view/2607. Acesso em: 6 may. 2024.