Sánchez, E., E. Mora Newcomer, and W. Barrantes Santamaría. “High Quality DNA Isolation in Psidium Guajava L. For Genomic Studies”. Agronomía Mesoamericana, vol. 32, no. 2, May 2021, pp. 638-49, doi:10.15517/am.v32i2.41606.