@article{Napp2019, author = "Tamaryn Napp and Bruno Merven", title = "{Non-metallic Minerals Sub-Sector Energy Demand}", year = "2019", month = "10", url = "https://zivahub.uct.ac.za/articles/dataset/Non-metallic_Minerals_Sub-Sector_Energy_Demand/7250981", doi = "10.25375/uct.7250981.v1" }