1. Anglada, L., & Abadal, E. (2018). Qué es la ciencia abierta? Anuario ThinkEPI, 12, 292–298. https://doi.org/10.3145/thinkepi.2018.43.
2. Archambault, E., Amyot, D., Deschamps, P., Nicol, A., Rebout, L., Roberge, G. (2013). Proportion of open access peer-reviewed papers at the european and world levels: 2004–2011. Sciencemetrix. Retrieved from https://www.science-metrix.com/pdf/SM_EC_OA_Availability_2004-2011.pdf.
3. Archambault, E., Amyot, D., Deschamps, P., Nicol, A., Provencher, F., Rebout, R., Roberge, G. (2014). Proportion of open access papers published in peer-reviewed journals at the european and world levels 1996–2013. Retrieved from https://science-metrix.com/files/science-metrix/publications/d_1.8_sm_ec_dg-rtd_proportion_oa_1996–2013_v11p.pdf.
4. Björk, B.-C., Welling, P., Laakso, M., Majlender, P., Hedlund, T., & Guðnason, G. (2010). Open access to the scientific journal literature: Situation 2009. PLoS ONE. https://doi.org/10.1371/journal.pone.0011273.
5. Borrego, A. (2015). Measuring compliance with a spanish government open access mandate. Journal of the Association for Information Science and Technology. https://doi.org/10.1002/asi.23422.