Sortino, Orazio, and Fabio Gresta. “Growth and Yield Performance of Five Guar Cultivars in a Mediterranean Environment”. Italian Journal of Agronomy 2, no. 4 (December 16, 2007): 359–364. Accessed August 3, 2025. https://agronomy.pagepress.org/index.php/agro/article/view/ija.2007.359.