Singh-Dhaliwal, Tara, and Aníbal Torres-Sepúlveda. “Performance of Acerola, Malpighia Punicifolia L., in the Coffee Region of Puerto Rico”. The Journal of Agriculture of the University of Puerto Rico, vol. 46, no. 3, July 1962, pp. 195-04, doi:10.46429/jaupr.v46i3.12335.