MUBARICK ISSAHAKU; NANA SARFO AGYEMANG DERKYI; FRANCIS KEMAUSUOR. Operation and Maintenance of Small-Scale Biogas Digesters: Scoping Review and Bibliometric Analysis of Literature. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 89, n. 1, p. 184–215, 2022. Disponível em: https://asrjetsjournal.org/American_Scientific_Journal/article/view/7884. Acesso em: 14 sep. 2025.