@article{RO_2018__52_2_645_0,
     author = {Bai, LiBiao and Du, Qiang},
     title = {Co-evolution efficacy of project portfolio based on strategic orientation},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {645--659},
     publisher = {EDP-Sciences},
     volume = {52},
     number = {2},
     year = {2018},
     doi = {10.1051/ro/2017083},
     mrnumber = {3880532},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2017083/}
}