Aynoi E, Nanthakusol N, Jeenawong R, Phongcharoenpanich C, Kawdungta S. Vertical Beam Adjustable Antenna for Internet of Things Applications. Eng. & Technol. Horiz. [Internet]. 2021 Jun. 7 [cited 2024 Apr. 30];38(2):1-8. Available from: https://ph01.tci-thaijo.org/index.php/lej/article/view/244263