du Preez, M, and T Lottering. “A SOCIAL COST BENEFIT ANALYSIS OF EXTENDING AN EXISTING RECYCLING PLANT TO ACCOMMODATE THE RECYCLING OF THE PLASTIC FRACTION OF CABLE SCRAP”. The South African Journal of Industrial Engineering 20, no. 2 (November 17, 2009). Accessed December 4, 2024. https://sajie.journals.ac.za/pub/article/view/768.