P. C. Hòa, P. N. Sơn, and H. T. Sơn, “SIMULATION OF NEUTRON ENERGY SPECTRA OF FILTERED THERMAL NEUTRON BEAM”, DLU JOS, vol. 10, no. 3, pp. 90–97, Sep. 2020, doi: 10.37569/DalatUniversity.10.3.712(2020).