Lê, M., L. Phan, T. Trần, and T. Châu. “Determination of the Coincidence Summing Factor by Monte Carlo Method Using MCNP–CP and PENNUC Codes”. VNUHCM Journal of Natural Sciences, Vol. 6, no. 2, May 2022, pp. 1970-8, doi:https://doi.org/10.32508/stdjns.v6i2.1078.