WASET
Likitmongkonsakun, N. , Limpiyakorn, T. (2013). 'Effect of Real Wastewater on Biotransformation of 17α-ethynylestradiol by Ammonia-Oxidizing Bacteria in Nitrifying Activated Sludge'. World Academy of Science, Engineering and Technology, Open Science Index 81, International Journal of Environmental and Ecological Engineering, 7(9), 593 - 597.