Akhmetov N, Yuldashbek D. The Prospects of Using Biogas: Technological Achievements, Ecological and Economic Efficiency, Development in Global Energy. IJES & GreenTech [Интернет]. 25 март 2025 г. [цитируется по 11 сентябрь 2025 г.];1(1):14-26. доступно на: http://journals.ayu.edu.kz/index.php/ijesgt/article/view/5141