Chanyarak Watthanachai และ Nurak Grisdanurak. (2010) Fe₂O₃-Mg-Al supported beads for phosphate removal. Chulalongkorn University:ม.ป.ท.Chanyarak Watthanachai และ Nurak Grisdanurak. 2010. Fe₂O₃-Mg-Al supported beads for phosphate removal. ม.ป.ท.:Chulalongkorn University;Chanyarak Watthanachai และ Nurak Grisdanurak. Fe₂O₃-Mg-Al supported beads for phosphate removal. ม.ป.ท.:Chulalongkorn University, 2010. Print.