K AE, Nasri N, Waskito KL. PENGEMBANGAN APLIKASI SPHERICAL TRIANGLE PADA SIMULATOR GPS BERBASIS VISUAL BASIC 6.0. 7samudra [Internet]. 2016 Oct. 28 [cited 2024 May 20];1(1):16-22. Available from: https://ojs.pppm.poltekpel-sby.ac.id/index.php/7samudra/article/view/17