Hamdani, H., Santoso, D., & Rifiana, R. (2022). Economic Value of Environmental Services of Swamp Land Ecosystem (A Case Study in the Hulu Sungai Utara Regency, Kalimantan Selatan). TROPICAL WETLAND JOURNAL, 8(1), 29-32. https://doi.org/10.20527/twj.v8i1.109