nguyên, V., Chương, H., Thông, N., Nhẫn, H., Bảo, N., Thảo, L., Thanh, T., & Tạo, C. (2021). A rapid method using the gamma scattering technique to estimate the pipe-line thickness. Science & Technology Development Journal: Natural Sciences, 5(4), 1686-1693. https://doi.org/https://doi.org/10.32508/stdjns.v5i4.1126