Mahmud Salem Mahmud, Mohamed Mustafa Sowalem. Solving EM Fields Equations using Finite Difference Method for a 5G Microstrip Patch Antenna Operating at 28 GHz. AfJ Adv Pure Appl Sci [Internet]. 2025 Sep. 16 [cited 2025 Dec. 5];4(3):511-20. Available from: https://aaasjournals.com/index.php/ajapas/article/view/1454