T. R. Saputra, Gunawan, and Siska Ayu Kartika, “Analysis Of Utilization Of Cattle Waste As Biogas Fuel (Case Study: Cattle Farming At Teritip Village, Balikpapan, East Kalimantan): Biogas Fuel”, REMIT, vol. 3, no. 2, pp. 227–230, Sep. 2022.