Munawir A, Armawan A, Nurhasanah N. Valuation of Environmental Services City Park 1 BSD Using the Travel Cost Method (TCM) and Willingness To Pay (WTP). amalee [Internet]. 22Jun.2023 [cited 16May2024];4(2):415-26. Available from: https://ejournal.insuriponorogo.ac.id/index.php/amalee/article/view/2925