TIAN, Y.; CHUNARA, R. Quasi-Experimental Designs for Assessing Response on Social Media to Policy Changes. Proceedings of the International AAAI Conference on Web and Social Media, [S. l.], v. 14, n. 1, p. 671-682, 2020. Disponível em: https://ojs.aaai.org/index.php/ICWSM/article/view/7333. Acesso em: 11 apr. 2021.