Approach to teaching communications systems by collaborative learning. Student perceptions in the application of problem-based learning. Analysis of results

1. Abajo, B.S.-D.
2. De La Torre-Díez, I.
3. López-Coronado, M.
4. Díaz-Pernas, F.J.
5. Díez-Higuera, J.F.
6. Antón-Rodríguez, M.
7. García-Salcines, E.
8. De Castro-Lozano, C.