Aitkaliyeva, G., Yelubay, M., Yerzhanova, D., Ismailova, A., & Massakbayeva, S. (2022). The use of polyethylene terephthalate waste as modifiers for bitumen systems. Eastern-European Journal of Enterprise Technologies, 3(6(117), 6–13. https://doi.org/10.15587/1729-4061.2022.257782