Jinchutar Srijohn. (2009) Volatile organic compounds removal by biofilter made from wastewater sludge /. Kasetsart University,:ม.ป.ท.Jinchutar Srijohn. 2009. Volatile organic compounds removal by biofilter made from wastewater sludge /. ม.ป.ท.:Kasetsart University,;Jinchutar Srijohn. Volatile organic compounds removal by biofilter made from wastewater sludge /. ม.ป.ท.:Kasetsart University, 2009. Print.