Ratanaprasert C, Thiranantanakorn S. All Congruence Modular Symmetric and Near-Symmetric Algebras. SEHS [internet]. 2013 Mar. 24 [cited 2026 Oct. 10];5(1):24-33. available from: https://li01.tci-thaijo.org/index.php/sehs/article/view/7435