@article{
  author = {محتشمی, ب., میرزایی, ح.ر., امانلو, ح.},
  title = {Effect of Different Amounts of Protein and Varying Proportions of Corn Silage and Alfalfa Hay on Milk Production and Nitrogen Excretion of Dairy Holstein Cows},
  journal = {Iranian Journal of Applied Animal Science},
  year = {2016},
  volume = {6},
  number = {3},
  pages = {505-510},
  doi = {}
}