Nupangtha, J., W. Charoentrakulpeeti, and A. Wattanapinyo. “Ecosystem Services of River on The Spatial Variety : the case study of Mae Khao River, Chiang Mai Province”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, vol. 16, no. 2, Sept. 2022, pp. 494-09, doi:10.14456/psruhss.2022.37.