Ayu, A. S., N. Haryono, A. P. A. Arzil, S. Hastjarjo, and W. . “Post-Truth and Hoaxes: Instagram’s Fact Checking of Content on Vaccines in Indonesia”. KnE Social Sciences, Vol. 7, no. 5, Mar. 2022, pp. 610–622, doi:10.18502/kss.v7i5.10582.