Kaew-on, Saichai. 2018. “Antibacterial Activity of Torch Ginger (Etlingera elatior) Crude Extracts”. Wichcha Journal Nakhon Si Thammarat Rajabhat University 37 (2). ์Nakhon Si Thammarat, Thailand:24-35. https://li01.tci-thaijo.org/index.php/wichcha/article/view/126722.