“Economic Valuation of Beach Tourism Objects in Tulungagung Regency With Individual Travel Cost Method (ITCM) Approach”. Indonesian Journal of Business, Economics and Management (IJOBEM) 1, no. 1 (July 11, 2024). Accessed January 26, 2026. https://journal.detakpublisher.com/index.php/ijobem/article/view/4.