?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Thi+Nhat+Thanh&rft.aulast=Nguyen&rft.aufirst=Thi+Nhat+Thanh&rft.date=May+2019&rft.title=Air+pollution+monitoring+network+using+low-cost+sensors%2C+a+case+study+in+Hanoi%2C+Vietnam&rft.genre=proceeding