@article{
  author = {Mahdavian Ahagh, S Elaheh, Ostovar, Fariba},
  title = {Coagulant recovery from waterworks sludge by acid digestion method},
  journal = {Journal of Environmental Research and Technology},
  year = {2018},
  volume = {3},
  number = {4},
  pages = {31-39},
  doi = {10.29252/.3.4.31}
}