จันทร์เสงี่ยม ภ. Fundamental Properties of the Box Product for Matrices over a Commutative Semiring and Johnson-Nylen Transformation. KKU Science Journal, [S. l.], v. 46, n. 2, p. 372–382, 2018. Disponível em: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249890. Acesso em: 19 sep. 2026.