Isolation and characterization of bioethanol producing wild yeasts from bio-wastes and co-products of sugar factories oleh Estifanos Hawaz, Mesfin Tafesse, Anteneh Tesfaye, Dereje Beyene, Solomon Kiros, Gessese Kebede, Teun Boekhout, Bart Theelen, Marizeth Groenewald, Ayantu Degefe, Sissay Degu, Alene Admas, Diriba Muleta