?url_ver=Z39.88-2004&rft_id=10.3390%2Frs11121475&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+K&rft.au=Gumma%2C+M+K&rft.aulast=Gumma&rft.atitle=Monitoring+Changes+in+the+Cultivation+of+Pigeonpea+and+Groundnut+in+Malawi+Using+Time+Series+Satellite+Imagery+for+Sustainable+Food+Systems&rft.title=Remote+Sensing+(TSI)&rft.issn=2072-4292&rft.date=June+2019&rft.volume=11(12)&rft.pages=1-23&rft.issue=1475&rft.genre=article