WIDARI, Nyoman Sri. Utilisation of Small Industrial Solid Waste Welding Workshops Carbide as a Raw Material for Gypsum (CaSO4) Production. Engineering And Technology Journal, [S. l.], v. 7, n. 12, p. 1769–1773, 2022. DOI: 10.47191/etj/v7i12.02. Disponível em: https://everant.org/index.php/etj/article/view/774. Acesso em: 22 jul. 2024.