(1)
Hakimah, N. L.; Sanjaya, I. G. M.; Hariyono, E.; Kodir, A. Geotourism: Use of Environmentally Friendly Geological Wealth: Field Study of Kayangan Api, Mystical Tourism for the Traces of Empu Supo in Bojonegoro. Stud. Philos. Sci. Educ. 2023, 4, 94-102.