?url_ver=Z39.88-2004&rft_id=10.1016%2FS2095-3119(21)63612-2&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Hoang&rft.aufirst=Viet+Ngu&rft.au=Hoang%2C+Viet+Ngu&rft.issue=12&rft.date=December+2021&rft.volume=20&rft.atitle=Scale+and+scope+economies+in+small+household+rice+farming+in+Vietnam&rft.issn=2095-3119&rft.title=Journal+of+Integrative+Agriculture&rft.genre=article