URGESSA, O.; SIMA, Y.; ADEM, M.; AYELE, A. Isolation of Cellulose Degrading Bacteria from Rumen and Evaluation of Cellulase Production by the Isolate Using Lignocellulosic Substrate. Ethiopian Journal of Sciences and Sustainable Development, v. 7, n. 1, p. 8-17, 6 jan. 2020.