Hakimah, Nurul Lathifatul, I Gusti Made Sanjaya, Eko Hariyono, and Abdul Kodir. “Geotourism: Use of Environmentally Friendly Geological Wealth: Field Study of Kayangan Api, Mystical Tourism for the Traces of Empu Supo in Bojonegoro”. Studies in Philosophy of Science and Education 4, no. 3 (November 30, 2023): 94-102. Accessed November 7, 2026. https://scie-journal.com/index.php/SiPoSE/article/view/276.