Yotapakdee, T., L. Asanok, T. Kamyo, M. Norsangsri, N. Karnasuta, S. Navakam, and C. Kaewborisut. “Benefits and Value of Big Trees in Urban Area: A Study in Bang Kachao Green Space, Thailand”. Environment and Natural Resources Journal, vol. 17, no. 1, Oct. 2018, pp. Page 33-43; DOI: 10.32526/ennrj.17.1.2019.04, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/162142.