Trairat Muangthong-on และ Chalermraj Wantawin. (2010) Evaluation of N2O formation from anaerobic ammonium oxidation (anammox) at different influent ammonia to nitrite ratios /. King Mongkut's University of Technology Thonburi,:ม.ป.ท.Trairat Muangthong-on และ Chalermraj Wantawin. 2010. Evaluation of N2O formation from anaerobic ammonium oxidation (anammox) at different influent ammonia to nitrite ratios /. ม.ป.ท.:King Mongkut's University of Technology Thonburi,;Trairat Muangthong-on และ Chalermraj Wantawin. Evaluation of N2O formation from anaerobic ammonium oxidation (anammox) at different influent ammonia to nitrite ratios /. ม.ป.ท.:King Mongkut's University of Technology Thonburi, 2010. Print.