Dewi Anggraini, E., Karimi, S., Indrawari, I., & Ridwan, E. (2019). Revealed Preference in President Election 2019 in Padang City West Sumatra Province. Opción, 35, 1321-1339. Recuperado a partir de https://www.produccioncientificaluz.org/index.php/opcion/article/view/31630