Marroquín-Tun, María de los Ángeles, et al. “In Vitro Effect of the Hydroalcoholic and Ethanolic Extracts of Papaya Seeds (Carica Papaya) Against Haemonchus Contortus”. Ciencia Y Agricultura, vol. 15, no. 1, Feb. 2018, pp. 53-59, doi:10.19053/01228420.v15.n1.2018.7756.