Peyró Outeiriño, B. (2021) “REVIEW: Del-Fresno, M. (Editor), Hernández-Echegaray, A. (Coordinadora) Social diagnosis, intervention and evaluation techniques, Editorial UNED, Madrid, 2019”, Comunitania. International journal of social work and social sciences, (21), pp. 123–127. doi: 10.5944/comunitania.21.6.