S.B.Almabrok, M.M.Abulaweenat, and Y.A.Abdulkarim. 2022. “Study Of the Effect of Operating Frequency on The Needle Antenna Used in The Treatment Hepatic Tumors by Microwave ”. Journal of Pure & Applied Sciences 21 (4): 121-27. https://doi.org/10.51984/jopas.v21i4.2136.