?url_ver=Z39.88-2004&rft_id=10.24057%2F2071-9388-2020-124&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.A.A.&rft.au=Mamun%2C+M.A.A.&rft.aulast=Mamun&rft.pages=209-218&rft.atitle=Rainfall+and+drought+tendencies+in+Rajshahi+division%2C+Bangladesh&rft.issue=1&rft.volume=14&rft.issn=20719388&rft.date=2021&rft.title=Geography%2C+Environment%2C+Sustainability&rft.genre=article