Tran, S. N., Huynh, V. T., Huynh, C. K., Huynh, T. D., & Dinh, T. D. (2021). Implementation of biogas digester to clean up pig livestock and provide the community with biogas renewable energy (CBRE). Dong Thap University Journal of Science, 10(3), 64-76. https://doi.org/10.52714/dthu.10.3.2021.869