SUHARYADI, H. .; SOEWARDI, T. J. .; FRAMPTON, S. M. .; AFIFAH, F. .; CHRISTOPHER, C. Resource Valuation of Kalilingseng-Cave Manganese Mining Site as a Tourist Destination Using the Travel Cost Method. Indonesian Journal of Innovation Studies, [S. l.], v. 25, n. 4, p. 10.21070/ijins.v25i4.1300, 2024. DOI: 10.21070/ijins.v25i4.1300. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/1300. Acesso em: 28 jun. 2025.