Van Heerden, Cornelius Hendrik, 1957-; Kotze, Theuns G.; Bruwer, Johan(Southern African Alliance for Sport Science, Physical Education and Recreation, 2004)
Oberholzer, Ruanda(Independent Regulatory Board for Auditors (IRBA), South African Institute of Chartered Accountants (SAICA) and Southern African Accounting Association (SAAA), 2004-06)
Van Heerden, Cornelius Hendrik, 1957-; Van Heerden, Neels, 1957-; Du Plessis, P.J.(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2004-03)