Arroyo Resino, Delia, Navarro Asencio, Enrique, Castro Morera, María, and González Barberá, Coral. 2020. Effect of the number of hours devoted to teaching in English on the results in scientific competence. Revista Complutense de Educación 31, 3, 387–396. DOI:https://doi.org/10.5209/rced.64413