“Perbandingan Kelayakan Ekonomi Usaha Sapi Perah Skala Kecil Dengan dan Tanpa Biodigester di Desa Mundu, Kabupaten Klaten: Comparison of Economic Feasibility of Small Scale Dairy Cattle Business with and without Biodigester in Mundu Village, Klaten District”, IJAREE, vol. 3, no. 2, pp. 101–115, Dec. 2024, doi: 10.29244/ijaree.v3i2.58447.