I. Goovaerts, A. Kern, E. van Haute, and S. Marien, “Drivers of Support for the Populist Radical Left and Populist Radical Right in Belgium : An Analysis of the VB and the PVDA-PTB Vote at the 2019 Elections”, PLC, vol. 2, no. 3, pp. 228–264, Sep. 2020, doi: 10.5553/PLC/258999292020002003002.