Setiawati, D.A., Putra, G.M.D. and Sugandi, W.K. 2017. UJI KINERJA SISTEM PEMANTAUAN VOLUME BIOGAS BERBASIS MIKROKONTROLER ARDUINO PADA BIODIGESTER TIPE FLOATING DRUM [Test Performance of Monitoring System Based on Arduino Microcontroller in Floating Drum Type Biodigester ]. Jurnal Ilmiah Rekayasa Pertanian dan Biosistem. 5, 2 (Sep. 2017), 429–439. DOI:https://doi.org/10.29303/jrpb.v5i2.58.