Kartika R, Ayu, MHani’ah, and Nur Adi S. “The Comparison of Propagation Model for Terrestrial Trunked Radio (TETRA)”. EMITTER International Journal of Engineering Technology 1, no. 1 (December 15, 2013). Accessed November 21, 2024. https://emitter.pens.ac.id/index.php/emitter/article/view/7.