Bonsi et al., 1994. Anim. Prod., 59: 235-244 Document reference Bonsi, M. L. K. ; Osuji, P. O. ; Nsahlai I. V. ; tuah A. K., 1994. Graded levels of sebania sesban and Leucaena leucocephala as supplements to teff straw given to Ethiopian Menz sheep. Anim. Prod., 59: 235-244Citation key Bonsi et al., 1994