Thunyaluk Muangsuwan. (2005) Utilization of zeolite industrial wastewater for removal of copper and zinc from copper-brass pipe industrial wastewater. Mahidol University,:ม.ป.ท.Thunyaluk Muangsuwan. 2005. Utilization of zeolite industrial wastewater for removal of copper and zinc from copper-brass pipe industrial wastewater. ม.ป.ท.:Mahidol University,;Thunyaluk Muangsuwan. Utilization of zeolite industrial wastewater for removal of copper and zinc from copper-brass pipe industrial wastewater. ม.ป.ท.:Mahidol University, 2005. Print.