2020. ANALYSIS OF PARTICLE DISTRIBUTION IN A DOUBLE LAYER BEAM SHAPING ASSEMBLY RESULTED FROM 30 MEV-PROTON REACTIONS WITH BERYLLIUM TARGET USING THE PHITS PROGRAM. Jurnal Teknologi (Sciences & Engineering). 82, 3 (Apr. 2020). DOI:https://doi.org/10.11113/jt.v82.13162.