BANYAT SROYSANG. Right Trapezoid Cover for Triangles of Perimeter Two. Agriculture and Natural Resources, Bangkok, Thailand, v. 45, n. 4, p. 756–761, 2011. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/245353. Acesso em: 17 may. 2024.