A. K. D. Arif, I. B. O. Agastya, R. Permadi, R. Marsaoly, and I. K. Waliyanti, “Utilization of Geodiversity of Mount Gamalama Eruption Products as Geotourism Activities on The Batu Angus Geotrail, Aspiring Ternate Geopark”, j.biol.sains.teknol, vol. 6, no. 2, pp. 69–83, Jul. 2024.