Switching Systems Synthesis Method Using Permuted Gray Code Tables (PGC Method). Latin-American Journal of Computing, [S. l.], v. 8, n. 1, p. 118–129, 2021. Disponível em: http://lajc.epn.edu.ec/index.php/LAJC/article/view/187. Acesso em: 10 oct. 2025.