Alexander, A.G. 1966. Effects of Amylase and Invertase Regulators Upon Sugar Content, Protein Content, and Enzyme Activity of Immature Sugarcane. The Journal of Agriculture of the University of Puerto Rico. 50, 1 (Jan. 1966), 18–35. DOI:https://doi.org/10.46429/jaupr.v50i1.3439.