Dewi Anggraini E, Karimi S, Indrawari I, Ridwan E. Revealed Preference in President Election 2019 in Padang City West Sumatra Province. Opción [Internet]. 3 de agosto de 2019 [citado 3 de agosto de 2025];350:1321-39. Disponible en: http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/31630