Saptutyningsih, Endah, and Nada Bilqis. “Do Social Capital Have Impact on Willingness to Pay for Waste Management? Evidence from Contingent Valuation Studies”. International Journal on Economics, Finance and Sustainable Development 6, no. 8 (August 19, 2024): 225-234. Accessed December 22, 2024. https://journals.researchparks.org/index.php/IJEFSD/article/view/5319.