Sempach, Marek. “Communication in Times of Crisis. The Specificity of Effective Communication With Voters of Modern, Market-Oriented Political Organizations”. In Koszty współczesnych kryzysów, edited by Agnieszka Kisztelińska-Węgrzyńska, 39–61. Poland: Lodz University Press, 2021. Accessed January 26, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/489/chapter/1381.