Hounkong, K., P. Sukchan, P. Sujiwattanarat, N. Dangmanee, and P. Sornying. “Survey of Free-Living Amoeba from Soil Sources Using Culture Method in Narathiwat Province, Thailand”. Princess of Naradhiwas University Journal, vol. 13, no. 1, Jan. 2021, pp. 279-90, https://li01.tci-thaijo.org/index.php/pnujr/article/view/245530.