The battle for public opinion on the Internet. Involvement of Spanish political party think tanks in the 2023 general elections : Implicación de los think tanks de partidos políticos españoles en las elecciones generales de 2023 . SP [Internet]. 2025 Dec. 17 [cited 2026 Sep. 16];2(25):72-107. Available from: https://sphera.ucam.edu/index.php/sphera-01/article/view/539