@article{
  author = {Amirzadeh, Mehdi, Jafarnezhad, Ahmad, Jashireh Nezhad, Alireza},
  title = {Investigate the Relationship between R&D Costs and Profitability of Companies in Kerman Province Superior Companies},
  journal = {Journal of Development & Evolution Mnagement},
  year = {2017},
  volume = {8},
  number = {27},
  pages = {1-6},
  doi = {}
}