@article{
  author = {oshaghi, omid, Ezati, Mitra, salehi, keyvan},
  title = {Obstacles to the Optimal Implementation of Educational Needs Assessment in National Gas Company of Iran and Solutions for Improvement },
  journal = { Quarterly Journal of Training and Development of Human Resources},
  year = {2023},
  volume = {10},
  number = {36},
  pages = {28-57},
  doi = {}
}