Motta-Delgado, P. and Ocaña-Martínez, H. (2018) “Characterization of sub-systems of Brachiaria grassland in herds from humid tropic, Caquetá, Colombia”, Ciencia y Agricultura, 15(1), pp. 81-92. doi: 10.19053/01228420.v15.n1.2018.7759.