Manik, Timbul, Adi Purwono, Musthofa Lathif, Mario Batubara, and Mamoru Yamamoto. “Resolution Enhanced of GRBR Observation-Based Ionospheric Tomography in Indonesia”. Proceeding International Conference on Science and Engineering 2 (March 1, 2019): 259–265. Accessed April 30, 2026. http://sunankalijaga.org/prosiding/index.php/icse/article/view/99.