ZANNETTOU, S.; CAULFIELD, T.; BRADLYN, B.; DE CRISTOFARO, E.; STRINGHINI, G.; BLACKBURN, J. Characterizing the Use of Images in State-Sponsored Information Warfare Operations by Russian Trolls on Twitter. Proceedings of the International AAAI Conference on Web and Social Media, v. 14, n. 1, p. 774-785, 26 May 2020.