Damara B, Hartantyo SD. Optimizing Flexural Strength of Concrete Fc’ 14,5 MPa Using Acetylene Welding Carbide Waste. U Karst [Internet]. 2021 Dec. 20 [cited 2024 May 6];5(2):220-35. Available from: https://ojs.unik-kediri.ac.id/index.php/ukarst/article/view/1998