Rapetti, C., Pareja-Eastaway, M., Pique, J.M. and Grimaldi, D. 2022. Measuring the development of innovations districts through performance indicators: 22@Barcelona Case. Journal of Evolutionary Studies in Business. 7, 2 (Jul. 2022), 6–39. DOI:https://doi.org/10.1344/jesb2022.2.j105.