Martínez-Baena A, Faus-Boscá J. Acoso escolar y Educación Física: una revisión sistemática (Bullying in schools and Physical Education: A systematic review). Retos [Internet]. 2018 Jul. 1 [cited 2026 Jul. 27];34:412-9. Available from: https://revistaretos.org/index.php/retos/article/view/59527