Media-usage patterns and political knowledge of NWU students: The 2009 election - Otto, Hannelie and Fourie, Lynnette (Communicatio, 2011)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8wMjUwMDE2Ny4yMDExLjYyOTQ3Nw