WASET
Poveda, M. , Lozecznik, S. , Oleszkiewicz, J. , Yuan, Q.. "Evaluation of Physicochemical Pretreatment Methods on COD and Ammonia Removal from Landfill Leachate". World Academy of Science, Engineering and Technology, Open Science Index 103, International Journal of Geological and Environmental Engineering, (2015), 9(7), 846 - 851.