Saul, R. H.; Francisca, A. N.; Octavio, C. O.; Anastasio, G. M.; Jaime, O. P.; Trinidad, V. A. M. Chemical Composition, In Vitro Digestibility of Foliage Guazuma Ulmifolia and Crescentia Alata and Its Use in Feeding Lambs. Pak. J. Nutr. 2012, 11 (12), 1139–1145. https://doi.org/10.3923/pjn.2012.1139.1145.