Ramírez-Villalobos, Maribel, et al. “Management of Stockplant for the in Vitro Culture of Nodal Segments of Guava (Psidium Guajava L.)”. The Journal of Agriculture of the University of Puerto Rico, vol. 88, no. 1-2, Apr. 2004, pp. 73-89, doi:10.46429/jaupr.v88i1-2.2736.