Biosynthesis of Ag/bentonite, ZnO/bentonite, and Ag/ZnO/bentonite nanocomposites by aqueous leaf extract of Hagenia abyssinica for antibacterial activities oleh Zewudie Adisu Girma, Zereffa Enyew Amare, Segne Teshome Abdo, Murthy H. C. Ananda, Ravikumar C. R., Muniswamy Dhanalakshmi, Binagdie Bayissa Bekele