HE, Xin. Guest Editor’s Foreword. Journal of Graph Algorithms and Applications, [S. l.], v. 8, n. 2, p. 133–134, 2004. DOI: 10.7155/jgaa.00085. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper85. Acesso em: 24 dec. 2024.