?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Mandala&rft.au=Marga+Mandala%2C+Mandala&rft.aulast=Marga+Mandala&rft.date=1+January+2026&rft.pages=69-80&rft.atitle=Land+use+and+land+cover+change+in+East+Java+from+2015+to+2021%3A+Use+optical+imagery+and+Google+Earth+engine&rft.title=Environmental+%26+Socio-economic+Studies&rft.genre=article