Wrzalik M. The results of parliamentary and presidential elections and referendums worldwide from April 1 -September 30, 2018: https://doi.org/10.26485/SW/2018/26/7. SW. 2018;26:125-140. Accessed September 12, 2026. https://journals.ltn.lodz.pl/Studia-Wyborcze/article/view/226