Jiraskulporn P. Slot Antennas with Inverted F Stub Fed by Coplanar Waveguide Pathumwan Academic Journal. J. Adv. Dev. Eng. Sci. [internet]. 2023 Aug. 21 [cited 2026 Apr. 22];1(1):40-6. available from: https://ph03.tci-thaijo.org/index.php/pitjournal/article/view/748