Vélez-Santiago, Jaime, José A. Arroyo-Aguilú, and José E. Rodríguez-Arroyo. 1985. “Effects of Seeding Rates and Methods on the Establishment and Yield of Common Guinea Grass”. The Journal of Agriculture of the University of Puerto Rico 69 (3):331-39. https://doi.org/10.46429/jaupr.v69i3.7360.