Samsun, S. et al. 2019. THE APPLICATION OF SHIFT METHOD USING MOVING LASER ON CANCER CASES IN HEAD AREA USING 3DCRT AND VMAT TECHNOLOGY. Spektra: Jurnal Fisika dan Aplikasinya. 4, 3 (Dec. 2019), 143–148. DOI:https://doi.org/10.21009/SPEKTRA.043.05.