Ruiz Vanoye, J. A., O. Díaz-Parra, A. Fuentes-Penna, A. Ochoa, R. A. Barrera Cámara, and D. Velez-Díaz. “Editorial for Volume 6 Number 2: Books Content Manager of Open Access - Open Monograph Press”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 6, no. 2, May 2015, pp. 1-10, https://ijcopi.org/ojs/article/view/52.