Archer, Emma Rosa Mary; Landman, Willem Adolf; Tadross, Mark Alexander; Malherbe, Johan; Weepener, Harold; Maluleke, Phumzile; Marumbwa, Farai Maxwell(Elsevier, 2017-04)
Trytsman, Marike; Westfall, Robert H.; Breytenbach, Philippus J.J.; Calitz, Frikkie J.; Van Wyk, Abraham Erasmus (Braam)(Pensoft Publishers, 2016-10-04)