Mach, Petr, and Klara Cermakova. “Explanatory Power of the Tullock Contest As an Integral Part of Game Theory in Political Advertising Spendings”. Yugoslav Journal of Operations Research (October 17, 2025). Accessed June 6, 2026. https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/946.