by De Hart, K.L., Venter, J.M.P.
Published in Perspectives in education (01.03.2013)

by Uys, W R, De Hart, K L, Wilcocks, J S, Venter, J MP
Published in Southern African business review (12.02.2019)

by K. L. de Hart, J. M. P. Venter
Published in Perspectives in education (01.03.2013)

by Uys, W.R., Wilcocks, J.S., De Hart, K.L., Venter, J.M.P.
Published in Southern African business review (01.01.2015)