Matarrita Román, Lorna, et al. , translators. “Feasibility in Using Technological Resources for Implementing the Environmental Culture Cross-Cutting Factor for Sustainable Development in the Costa Rican Basic General Education”. Revista Electrónica Educare, vol. 16, no. 3, Nov. 2012, pp. 127-43, https://doi.org/10.15359/ree.16-3.8.