GOENAWAN, Stephanus Ivan. Order Theory I and II As Foundations for Finding Relationship Between Formulas. Engineering, MAthematics and Computer Science Journal (EMACS), [S. l.], v. 2, n. 1, p. 1–4, 2020. DOI: 10.21512/emacsjournal.v2i1.5804. Disponível em: https://journal.binus.ac.id/index.php/EMACS/article/view/5804. Acesso em: 11 jul. 2025.