BUAMANYSONE, P., KHOUNVILAY, K. and XAIXONGDETH, P. 2024. Study the Utilization of Biochar Derived from Sugarcane Waste to Enhance the Biogas Efficiency During the Anaerobic Digestion Process for Treating Pig Farm Wastewater: https://doi.org/10.69692/SUJMRD100199. Souphanouvong University Journal Multidisciplinary Research and Development . 10, 1 (Feb. 2024), 99–106.