Copani, V., Guarnaccia, P., Biondi, L., Calà Lesina, S., Longo, S., Testa, G., & Cosentino, S. L. (2015). Pasture quality and cheese traceability index of Ragusano PDO cheese. Italian Journal of Agronomy, 10(4), 220–223. https://doi.org/10.4081/ija.2015.667