Richardo Barry Astro, and Siti Humairo. “TEORI RELATIVITAS PADA GLOBAL POSITIONING SYSTEM (GPS)”. OPTIKA: Jurnal Pendidikan Fisika 3, no. 1 (September 2, 2019): 96-102. Accessed November 19, 2024. https://e-journal.uniflor.ac.id/index.php/optika/article/view/121.