García-Garzón, E., M. D. Nieto, L. Eduardo Garrido, and F. J. Abad. “Bi-Factor Exploratory Structural Equation Modeling Done Right: Using the SLiDapp Application”. Psicothema, vol. 32, no. Número 4, Nov. 2020, pp. 607-14, https://reunido.uniovi.es/index.php/PST/article/view/17064.