?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Do%2C+Thuy&rft.aulast=Do&rft.aufirst=Thuy&rft.date=November+2017&rft.title=Solving+the+staff+rescheduling+problem+in+Lai+Chau+hydropower+station&rft.genre=proceeding