Bottini-Luzardo, M. B., C. F. Aguilar-Pérez, F. G. Centurión-Castro, F. J. Solorio-Sánchez, and J. C. Ku-Vera. “Milk Yield and Blood Urea Nitrogen in Crossbred Cows Grazing <i>Leucaena leucocephala</i> In a Silvopastoral System in the Mexican Tropics”. Tropical Grasslands-Forrajes Tropicales, vol. 4, no. 3, Sept. 2016, pp. 159-67, doi:10.17138/tgft(4)159-167.