Gallego Castro, L. A., Mahecha Ledesma, L., & Angulo Arizala, J. (2017). Milk production, quality and benefit:cost ratio of supplementing Holstein cows with Tithonia diversifolia. Agronomía Mesoamericana, 28(2), 357–370. https://doi.org/10.15517/ma.v28i2.25945