“The GGMplus data analysis for Modeling of the Kelimutu volcanic subsurface” (2021) iJournals:International Journal of Software & Hardware Research in Engineering ISSN:2347-4890, 9(6). Tersedia pada: https://ijournals.in/journal/index.php/ijshre/article/view/32 (Diakses: 20 Oktober 2026).