Steyn, Theuns, Riel Franzsen, and Madeleine Stiglingh. 2013. “Conceptual Framework For Classifying Government Imposts Relating To The Tax Burden Of Individual Taxpayers In South Africa”. International Business & Economics Research Journal (IBER) 12 (2):239-52. https://doi.org/10.19030/iber.v12i2.7637.