Panida Sermwaraphan และผู้แต่งคนอื่นๆ. (2006) Degradation of 17α-ethynylestradiol (EE2) by nitrifying activated sludge containing different ammonia-oxidizing bacterial communities. Chulalongkorn University:ม.ป.ท.Panida Sermwaraphan และผู้แต่งคนอื่นๆ. 2006. Degradation of 17α-ethynylestradiol (EE2) by nitrifying activated sludge containing different ammonia-oxidizing bacterial communities. ม.ป.ท.:Chulalongkorn University;Panida Sermwaraphan และผู้แต่งคนอื่นๆ. Degradation of 17α-ethynylestradiol (EE2) by nitrifying activated sludge containing different ammonia-oxidizing bacterial communities. ม.ป.ท.:Chulalongkorn University, 2006. Print.