Márquez-García, María Jesús, José Ignacio Rivas-Flores, and Piedad Calvo León. “Collaborative communities: Knowledge and experiences with vulnerable youth in non-formal education”. Revista Complutense de Educación, vol. 32, vol. 32, no. 2, 2021, pp. 227-36, doi: https://doi.org/10.5209/rced.68325.