“Analisis Biaya Dan Willingness to Pay Pengelolaan Limbah Dengan IPAL Komunal Di Sentra Industri Penyamakan Kulit Sukaregang: Cost and Willingness to Pay Analysis for Waste Management Using Communal Wastewater Treatment Plants in Sukaregang Leather Tanning Industry”. 2025. Indonesian Journal of Agricultural Resource and Environmental Economics 4 (2): 90-102. https://doi.org/10.29244/6xbb5r06.