Zasneda, S. S., V. . Harahap, and N. N. . Dilham. “MAPPING OF ENVIRONMENTAL RADIATION LEVELS AROUND HOSPITAL RADIOLOGY FACILITIES IN PEMATANGSIANTAR”. Jurnal Ilmiah METADATA, vol. 6, no. 1, Jan. 2024, pp. 366-83, doi:10.47652/metadata.v6i1.868.