Quispe Cusi, A., Paquiyauri, Z., Ramos, Y., Contreras, J., & Véliz, M. (2016). Effect of sulphur levels in the production, chemical composition and digestibility of hydroponic green fodder barley (Hordeum vulgare L). Revista De Investigaciones Veterinarias Del Perú, 27(1), 31-38. https://doi.org/10.15381/rivep.v27i1.11457