Pérez Narváez, H. O., R. . Roig Vila, and L. Jaramillo Naranjo. “Use of SCRATCH in Learning Programming in Higher Education”. 2020. Cátedra, vol. 3, no. 1, Sept. 2020, pp. 28-45, doi:10.29166/10.29166/catedra.v3i1.2006.