Roy Ulrich. “Votação Online Para Iniciativas Populares Na Califórnia: Coleta eletrônica De Assinaturas”. International Journal of Science and Society 3, no. 2 (June 14, 2021): 289-297. Accessed May 1, 2026. https://www.ijsoc.goacademica.com/index.php/ijsoc/article/view/340.