@article{article20,
  title = {Design and development of an upper extremity performance analysis system for combat sports},
  author = {FIDAN, U. and YILDIZ, M. and ÇALIKUÅžU, Ä.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2021},
  volume = {39},
  pages = {97-109},
  doi = {}
}