Managing Training and DevelopmentBarney Erasmus, Piet Loedolff, Thobeka Mda, Pieter Nel · First published 2016Open the Tome
Training ManagementPiet S. Nel, Piet Van Z. Loedolff, G.Deon Haasbroek, Andre Van Der Weshuizen · First published 2001Open the Tome
Research in progress at the South African Council for Scientific and Industrial Research on sewerage and sanitation problems in South AfricaPiet Meiring, V. Shaw, C. J. Loedolff, National Building Research Institute (South Africa) · First published 1963Open the Tome
