POSADA-OCHOA, S.; RAMÍREZ-AGUDELO, J.; ROSERO-NOGUERA, R. Methane production and digestibility of kikuyu grass (Pennisetum clandestinum) and potato (Solanum tuberosum) mixtures. Agronomía Mesoamericana, v. 25, n. 1, p. 141-150, 11.