Badenhorst, Wessel M.(Independent Regulatory Board for Auditors (IRBA), South African Institute of Chartered Accountants (SAICA) and Southern African Accounting Association (SAAA), 2013)
Claassen, C.; Loots, Elsabe; Kabundi, A.; Viviers, W.(Bureau for Economic Research and the Graduate School of Business, University of Stellenbosch, 2017)