?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=-&rft.aulast=Muhamad+Fahri+Ansori&rft.au=Muhamad+Fahri+Ansori%2C+-&rft.degree=S1&rft.title=SISTEM+PERINGATAN+DINI+BANJIR+MENGGUNAKAN+SENSOR+ULTRASONIK+HC-SR04+BERBASIS+INTERNET+OF+THINGS+(IoT)+DI+DAERAH+ALIRAN+SUNGAI+(DAS)+CIKAPUNDUNG&rft.inst=Universitas+Pendidikan+Indonesia&rft.date=25+August+2025