Aumont, Gilles, Alain Xandé, and Jacques Bellanger. “Macro Mineral and Trace Element Content of Pangola Grass and Other Forages in Guadeloupe (F.W.I.)”. The Journal of Agriculture of the University of Puerto Rico 80, no. 1-2 (January 1, 1996): 21-35. Accessed June 21, 2021. https://revistas.upr.edu/index.php/jaupr/article/view/4320.