Sarkadi S, Iasha V. Optimalization of Microsoft PowerPoint as a Civic Education Learning Media for Civic Education Junior High School Teachers in East Jakarta. Opción [Internet]. 3 de agosto de 2019 [citado 12 de febrero de 2026];350:1204-18. Disponible en: http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/31931