?url_ver=Z39.88-2004&rft_id=doi%3A10.1017%2FS1742170519000450&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Z+B&rft.au=Birhanu%2C+Z+B&rft.aulast=Birhanu&rft.atitle=Contour+bunding+technology-evidence+and+experience+in+the+semiarid+region+of+southern+Mali&rft.title=Renewable+Agriculture+and+Food+Systems+(TSI)&rft.issn=1742-1705&rft.date=February+2020&rft.volume=1&rft.pages=1-9&rft.issue=9&rft.genre=article