Erasmus Vernon Marc(University of Pretoria. Faculty of Engineering, Built Environment and Information Technology. Dept. of Construction Economics, 2012-07-03)
Beukes, Steyn(University of Pretoria. Faculty of Engineering, Built Environment and Information Technology. Dept. of Construction Economics, 2014-08-04)
Njamu, Harrison(University of Pretoria. Faculty of Engineering, Built Environment and Information Technology. Dept. of Construction Economics, 2012-12-13)