Van Heerden, J.H. (Jan Horn), 1957-; Blignaut, James Nelson; Groenendijk, N.S.(Faculty of Economic and Management Sciences, University of Pretoria, 1999-06)
Roos, Elizabeth Lousia; Horridge, J. Mark; Van Heerden, J.H. (Jan Horn), 1957-; Adams, Philip D.; Bohlmann, Heinrich R.; Kobe, Kgatedi Kenneth; Vumbukani-Lepolesa, Bokang(Wiley, 2020-03)
Seymore, Reyno; Adams, Philip D.; Chitiga-Mabugu, Margaret; Van Heerden, J.H. (Jan Horn), 1957-; Blignaut, James Nelson(Bureau for Economic Research and the Graduate School of Business,University of Stellenbosch, 2010-02)