Waterfall method: a necessary tool for implementing library projects. HETS Online Journal, [S. l.], v. 1, n. 2, p. 81–92, 2022. DOI: 10.55420/2693.9193.v1.n2.91. Disponível em: https://ojournal.hets.org/index.php/hoj/article/view/91. Acesso em: 1 may. 2026.