Goovaerts, Ine, et al. “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”. Politics of the Low Countries, vol. 2, no. 3, Sept. 2020, pp. 228-64, https://doi.org/10.5553/PLC/258999292020002003002.