Sasikorn Sangpongchai และ Tassanee Prueksasit. (2017) Adsorption Efficiency of the Activated Charcoal Produced from Spent Coffee Ground for Removal of the BTEX Released from Indoor Paint. <i>EnvironmentAsia</i>, <i>10</i>(1), p99-108.Sasikorn Sangpongchai และ Tassanee Prueksasit. "Adsorption Efficiency of the Activated Charcoal Produced from Spent Coffee Ground for Removal of the BTEX Released from Indoor Paint". EnvironmentAsia 10 (2017):p99-108.Sasikorn Sangpongchai และ Tassanee Prueksasit. Adsorption Efficiency of the Activated Charcoal Produced from Spent Coffee Ground for Removal of the BTEX Released from Indoor Paint. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2017.