Šimo, Dušan, et al. “Prieskum názorovej Hladiny voličov Ku komunálnym voľbám V Trnavskom Kraji V Roku 2014: Poll Survey to Municipal Elections in the Trnava Region in the Year 2014”. Slovak Journal of Public Policy and Public Administration, vol. 1, no. 4, Dec. 2014, https://sjpppa.fsvucm.sk/index.php/journal/article/view/34.