Barrera-Algarín, E. 2021. Consolidation of clinical and experimental research in Social Work from 1960 to the present day: experiments, quasi-experiments and Single Case Design Evaluation (SCDE). Acciones e Investigaciones Sociales. 41 (Feb. 2021). DOI:https://doi.org/10.26754/ojs_ais/ais.2020415121.