SPODOBA, M.; SPODOBA, O. Research of energy expenditures for mechanical mixing of raw materials in a biogas reactor. Electrical Engineering and Power Engineering, [S. l.], n. 2, p. 18–25, 2025. DOI: 10.15588/1607-6761-2025-2-2. Disponível em: https://ee.zp.edu.ua/article/view/327019. Acesso em: 18 jun. 2025.