TEAM, S. Smarandache Weak Subtraction Algebra: A. H. Handam. Thai Journal of Mathematics, [S. l.], v. 11, n. 1, p. 111–120, 2013. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/362. Acesso em: 6 may. 2024.