Mayarani, M., Hidayat, E.P., Apriantoro, N., Kristian, R. and Irsal, M. 2018. Analysis Of Rooftop Skyshine Radiation Exposure With Angle Of Gantry Linear Accelerator 180° In Radiotherapy Unit Of Pertamina Central Hospital Jakarta. SANITAS: Jurnal Teknologi dan Seni Kesehatan. 9, 1 (Jun. 2018), 24-34. DOI:https://doi.org/10.36525/sanitas.2018.4.