Nobre Gomes, M. A. C., M. N. Campos Soto, and J. A. López Núñez. “Factors Hindering the Transition of Pupils in Upper Secondary Education to Higher Education”. Innoeduca. International Journal of Technology and Educational Innovation, vol. 5, no. 1, June 2019, pp. 91-101, doi:10.24310/innoeduca.2019.v5i1.4937.