@article{article979,
  title = {The investigation of removal NH3-N from landfill leachate using zeolite with continiously system},
  author = {AYDIN, F. and KULEYİN, A.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2011},
  volume = {3},
  pages = {90-98},
  doi = {}
}