@article{RO_2020__54_1_211_0,
     author = {Wang, Le and Zhang, Hong-Yu and Wang, Jian-Qiang and Wu, Guo-Fang},
     title = {Picture fuzzy multi-criteria group decision-making method to hotel building energy efficiency retrofit project selection},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {211--229},
     publisher = {EDP-Sciences},
     volume = {54},
     number = {1},
     year = {2020},
     doi = {10.1051/ro/2019004},
     mrnumber = {4061512},
     zbl = {1439.62053},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2019004/}
}