Derived conjunction and algorithm to close value block in the database model of block form. International Journal of Engineering and Computer Science, india, v. 14, n. 11, p. 27910–27917, 2025. DOI: 10.18535/ijecs.v14i11.5303. Disponível em: http://www.ijecs.in/index.php/ijecs/article/view/5303. Acesso em: 5 dec. 2025.