Biaggini, Marta, Pietro Lo Cascio, Lara Bassu, Paolo Bazzoffi, and Claudia Corti. 2016. “Ecological Focus Area – EFA: The Biological Value of Olive Groves. A Case Study in Sardinia (Italy)”. Italian Journal of Agronomy 10 (s1). https://doi.org/10.4081/ija.2015.748.