KHAMPEERA, A., YONGCHALERMCHAI, C., & TECHATO, K. (2017). Drought Monitoring using Drought Indices and GIS Techniques in Kuan Kreng Peat Swamp, Southern Thailand. Walailak Journal of Science and Technology (WJST), 15(5), 357–370. https://doi.org/10.48048/wjst.2018.2723