Siriwong, W, P Amonpattaratkit, and W Klysubun. “XAS Analysis of Copper Binding in Soils”. Journal of Metals, Materials and Minerals 30, no. 2 (June 30, 2020). Accessed December 1, 2021. http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/646.