Dahlberg, Jeffery A., and Pablo Madera-Torres. “Yield and Agronomic Evaluation of Ten Sorghum Hybrids on the South Coast of Puerto Rico in 1993 and 1994”. The Journal of Agriculture of the University of Puerto Rico 79, no. 3-4 (October 1, 1995): 131–138. Accessed July 17, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/4308.