Sihombing, Sabrina O. “Analysis of the Relationship Between Image, Social Media, and Attitude to Predict Intention to Choose: An Empirical Investigation of Presidential Election in Indonesia”. International Review of Management and Marketing, vol. 9, no. 5, Sept. 2019, pp. 9-16, https://econjournals.com/index.php/irmm/article/view/8386.