Romo Sabugal, C., L. Gibran Juárez Hernández, and S. Tobón. “Validity of Instrument Construction to Evaluate the Promotion of Metacognition in the Classroom”. Estudios Pedagógicos, vol. 47, no. 3, Dec. 2021, pp. 191-05, doi:10.4067/S0718-07052021000300191.