Sutchamarn Trancharoen. (2007) The use of sludge from A modified starch factory mixed with charcoal residue for briquetted fuel. Mahidol University,:ม.ป.ท.Sutchamarn Trancharoen. 2007. The use of sludge from A modified starch factory mixed with charcoal residue for briquetted fuel. ม.ป.ท.:Mahidol University,;Sutchamarn Trancharoen. The use of sludge from A modified starch factory mixed with charcoal residue for briquetted fuel. ม.ป.ท.:Mahidol University, 2007. Print.