Mai, N., N. Le, L. Truong, and P. Dang. “STUDY ON DECONVOLUTION FOR GAMMA SPECTROSCOPY USING ML-EM ALGORITHM AND MCNP SIMULATION”. Science and Technology Development Journal, Vol. 12, no. 12, June 2009, pp. 22-28, doi:https://doi.org/10.32508/stdj.v12i12.2315.