الهاجري جابر. THE DIAMETER OF A TREE COMPOSED. مجلة أبحاث , [S. l.], v. 14, n. 14, p. 1–9, 2019. Disponível em: https://ojs.abhath-ye.com/index.php/OJSABAHATH-YE/article/view/157. Acesso em: 11 2025.