Ivanka, D.V. and Abdullah, E. 2026. Platform Governance and the Heterogeneity of Online Discourse Hostility: A Matched Community-Month Panel Study of Two Social Platforms, 2015–2020. Open Access Indonesia Journal of Social Sciences. 9, 4 (Sep. 2026), 165-180. DOI:https://doi.org/10.37275/oaijss.v9i4.330.