Nguyen, D. Q., V. C. Trinh, T. A. Tran, V. D. Ho, T. T. Nguyen, and M. D. Ho. “Determination of in Situ Detection Efficiency for IM-NAA of Non-Standard Geometrical Samples”. Nuclear Science and Technology, vol. 9, no. 4, Sept. 2021, pp. 27-33, doi:10.53747/jnst.v9i4.138.