Rodríguez, S.J. 1967. Variation in Chemical Composition of Guava Leaves (Psidium guajava L.) as Affected by Position in the Terminals. The Journal of Agriculture of the University of Puerto Rico. 51, 3 (Jul. 1967), 252–259. DOI:https://doi.org/10.46429/jaupr.v51i3.11240.