@article{
  author = {zarin, reza, azargoshasb, siamak},
  title = {Model-Free Discrete Time Control for Scara Robot Manipulators Using Descending Gradient Algorithm},
  journal = {Journal of Southern Communication Engineering},
  year = {2021},
  volume = {11},
  number = {41},
  pages = {59-76},
  doi = {}
}