St-Polyform Modules and Related Concepts. Baghdad Science Journal, Iraq, Baghdad, v. 15, n. 3, p. 0335, 2018. DOI: 10.21123/bsj.2018.15.3.0335. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2482.. Acesso em: 18 jun. 2025.