SRIKWA, sawinee; SAENGSURA, K. Generalized Algebras Type Sigma. SciTech Research Journal, Maha Sarakham, Thailand, v. 8, n. 3, p. 27–40, 2025. Disponível em: https://ph02.tci-thaijo.org/index.php/jstrmu/article/view/261377. Acesso em: 1 oct. 2026.