@conference{Rui2015,
  author    = {Ruiz-Ramírez, J., Hernández-Rodríguez, G., Pérez-Salazar, C., de los Ángeles Díaz-Córdoba, M., Vela Martínez, R.},
  title     = {DEVELOPMENT OF FREE SOFTWARE APPLIED TO EDUCATION AND RESEARCH},
  booktitle = {Synthesis 2015 - International Scientific Conference of IT and Business-Related Research},
  year      = 2015,
  doi       = {10.15308/Synthesis-2015-147-150},
  pages     = {147-150}
}