Morra, L., D. Cerrato, M. Bilotto, and S. Baiano. “Introduction of Sorghum [Sorghum Bicolor (L.) Moench] Green Manure in Rotations of Head Salads and Baby Leaf Crops under Greenhouse”. Italian Journal of Agronomy, Vol. 12, no. 1, Mar. 2017, doi:10.4081/ija.2016.753.