Agumba, J, JH Pretorius, and T Haupt. “Health and Safety Management Practices in Small and Medium Enterprises in the South African Construction Industry”. Acta Structilia 20, no. 1 (September 11, 2013): 66-88. Accessed September 25, 2022. https://www.ajol.info/index.php/actas/article/view/94082.