On-uma Trakoolsa และ Wilasinee Yoochatchaval. (2020) Adsorption Efficiency of Copper and Nickel by Activated Carbon from Coffee Ground. <i>EnvironmentAsia</i>, <i>13</i>(Special), 46-53.On-uma Trakoolsa และ Wilasinee Yoochatchaval. "Adsorption Efficiency of Copper and Nickel by Activated Carbon from Coffee Ground". EnvironmentAsia 13 (2020):46-53.On-uma Trakoolsa และ Wilasinee Yoochatchaval. Adsorption Efficiency of Copper and Nickel by Activated Carbon from Coffee Ground. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2020.