@revista_internacional{657,
  keywords = {hesitant fuzzy set, Proportional hesitant fuzzy set, Aggregation operators, Multicriteria group decision making, Electric vehicle battery supplier selection},
  author = {J. Chang and Zhen-Song Chen and X. Liu and W. Kong and S. Xiong and Luis Martínez},
  title = {Paradigm shift toward aggregation strategies in proportional hesitant fuzzy multi-criteria group decision making models of advanced practice for selecting electric vehicle battery supplier},
  year = {2019},
  journal = {IEEE Access},
  volume = {7},
  pages = {172534-172561},
  issn = {2169-3536},
  doi = {10.1109/ACCESS.2019.2956393},
}