Valenti, Francesca, Simona M.C. Porto, Giovanni Cascone, and Claudia Arcidiacono. “Potential Biogas Production from Agricultural by-Products in Sicily. A Case Study of Citrus Pulp and Olive Pomace”. Journal of Agricultural Engineering 48, no. 4 (July 13, 2017): 196–202. Accessed April 19, 2024. https://www.agroengineering.org/jae/article/view/727.