@article{
  author = {روح العلم, وحید, شیخ ابومسعودی, عباس},
  title = {Modeling a Concentration Pattern on Critical Paths in Control of Project ‎Delays},
  journal = {International Journal of Industrial Mathematics},
  year = {2021},
  volume = {13},
  number = {3},
  pages = {211-219},
  doi = {}
}