Z. Saeed, K. Faraj, H. Hassan, A. Wahbi, and A. Shamsaldin, “PENUMBRA AND OUTPUT FACTORS MEASUREMENTS FOR SMALL AND NON-SMALL FIELDS IN RADIOTHERAPY”, JSMC, vol. 8, no. 2, pp. 99–107, Aug. 2018, doi: 10.17656/jsmc.10156.