Nurdin, Ali, et al. “PENGEMBANGAN DESAIN SISTEM PROSES PEMURNIAN BIOGAS BERBASIS PALM OIL MILL EFFLUENT (POME)”. Majalah Ilmiah Pengkajian Industri; Journal of Industrial Research and Innovation, vol. 13, no. 2, Sept. 2023, pp. 103-10, doi:10.29122/mipi.v13i2.3294.