Serrano-Nortes E, Díaz MG, Reche García C. Resiliencia y optimismo en gimnasia rítmica (Resilience and optimism in rhythmic gymnastics). Retos [Internet]. 2021 Jul. 1 [cited 2026 Jun. 13];41:581-8. Available from: https://revistaretos.org/index.php/retos/article/view/83086