มีเกิด น. The Number of Triangles with Integer Side Lengths. KKU Science Journal, [S. l.], v. 41, n. 2, p. 331–337, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249118. Acesso em: 26 aug. 2026.