utama, hari wiki et al. 2023. PALEOVOLCANIC KARING RECONSTRUCTION IN THE MERANGIN JAMBI UNESCO GLOBAL GEOPARK TERRITORY BASED ON PETROLOGICAL AND GEOCHEMICAL APPROACH. JOURNAL ONLINE OF PHYSICS. 9, 1 (Nov. 2023), 66–79. DOI:https://doi.org/10.22437/jop.v9i1.28588.