Hoàng , V. N., Nguyễn , A. S., Lê , V. H., Nguyễn , T. M. S., Lê , T. T. T., Đỗ , T. L., & Nguyễn , T. P. (2021). EFFECT OF X-RAY IRRADIATION ON THE PHYSICAL PROPERTIES OF POLYVINYL CHLORIDE. Ho Chi Minh City University of Education Journal of Science, 18(3), 395. https://doi.org/10.54607/hcmue.js.18.3.2872(2021)