FRAGUEIRO BARREIRO, , M.S., MUÑOZ PRIETO, , M.M. and SOTO FERNÁNDEZ, , J.R., 1. “1-2-4”. A simple cooperative technique of learning, applied in sciences. Innovación educativa [en línea], no. 22. [Consulta: 3 July 2024]. Disponible en: https://revistas.usc.gal/index.php/ie/article/view/733.