HADI, Araa Ali; MAHDI, Noor Mahmood. Study the process of producing methane gas (CH4) used for industrial purposes using the method (Biogas). Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 25, p. 83–93, 2024. DOI: 10.47577/technium.v25i.11948. Disponível em: https://techniumscience.com.techniumscience.pluscommunication.eu/index.php/technium/article/view/11948. Acesso em: 17 apr. 2026.