@article{
  author = {Abbasi Oghda, M., Vosooghi, A., Matinfar, A.},
  title = {The effect of walnut’s green skin on growth of Oscar fish (Astronotus ocellatus)},
  journal = {},
  year = {2016},
  volume = {11},
  number = {2},
  pages = {11-21},
  doi = {}
}