Silva, C.M.M. de S., Oliveira, M.C. de and Albuquerque, S.G. de (2014) “Evaluation of the productivity of thirteen buffel grass cultivars in the semi-arid region of Pernambuco, Brazil”, Pesquisa Agropecuaria Brasileira, 22(5), pp. 513–520. doi:10.1590/S1678-3921.pab1987.v22.14375.