“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”. Indonesian Journal of Agricultural Resource and Environmental Economics 4, no. 2 (December 30, 2025): 90–102. Accessed March 19, 2026. https://journal.ipb.ac.id/ijaree/article/view/67037.