Yuniarti, Sri, Aris Haryadi, and R Abdullatif. “THE EFFECT OF THICKNESS VARIATION OF BERYLLIUM TARGET TOWARD CHARACTERISTICS OF NEUTRON ENERGY SPECTRUM ON CYCLOTRONS HM-30 USING MCNP-X”. Indonesian Journal of Physics and Nuclear Applications 2, no. 3 (October 30, 2017): 137-143. Accessed November 19, 2018. http://ejournal.uksw.edu/ijpna/article/view/1353.