Rozaq, Yusya Fatnan Subkhi Miftakhur. “Analysis of Willingness to Pay Visitors to Ecotourism: The Case of the Pindul Cave, Yogyakarta”. Economics, Finance, and Business Review 2, no. 1 (December 31, 2025): 55–66. Accessed January 9, 2026. https://journal.uii.ac.id/efbr/article/view/44416.