Ardizatul Nasri K, Afifi M. Economic Valuation of Pantai Duduk: A Willingness to Pay (WTP) Analysis Using the Contingent Valuation Method (CVM) for Tourism Facilities Improvement. al. kharaj. j. islam. econ. bus. [Internet]. 2026 Nov. 2 [cited 2026 Nov. 3];8(4). Available from: https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/12944