“Optimalisasi Pelayanan TPS3R di Kelurahan Panjunan Menggunakan Metode Contingent Valuation Method”, jse, vol. 9, no. 1, pp. 7934–7942, Feb. 2024, Accessed: Apr. 19, 2025. [Online]. Available: https://jse.serambimekkah.id/index.php/jse/article/view/80