@inproceedings{jin_lang_xie_2020, 
  title={A Study of Clustering Analysis Based on the Classification of Higher Vocational Colleges in Hb Province}, 
  DOI={10.2991/assehr.k.201030.028}, 
  publisher={Atlantis Press}, 
  author={Jin, Huilong and Lang, Duo and Xie, Jiangfan}, 
  year={2020}
  }