Ningrum, Diana, Agoes Soehardjono, Hendro Suseno, and Ari Wibowo. “Analysis of the Effect of Using Covid-19 Medical Mask Waste With Polypropylene on the Compressive Strength and Split Tensile Strength of High-Performance Concrete”. Eastern-European Journal of Enterprise Technologies 1, no. 6 (121) (February 28, 2023): 40–46. Accessed May 17, 2024. https://journals.uran.ua/eejet/article/view/272529.