R. T. Manubens, J. M. Gómez Penedo, S. Juan, and A. J. Roussos, “Preliminary psychometric properties of the Common Intervention Scale (CIS): an instrument to study actions of therapists from different theoretical framework”, Pensando Psicol., vol. 15, no. 25, pp. 1–24, Nov. 2019, doi: 10.16925/2382-3984.2019.01.02.